HOW.IS
?

How is t-mobile.com?

Looks fine risk 0/100

Registered 27 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 340 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How t-mobile.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
340 ms · ends at www.t-mobile.com
HTTPS
112 d
left on a DigiCert Inc certificate
Age
27 years
registered 2000-01-13
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A23.205.249.201
MX10 mxa-00025704.gslb.pphosted.com
10 mxb-00025704.gslb.pphosted.com
NSa14-65.akam.net
ns10.zayo.com
a8-66.akam.net
ns4.level3.net
a1-167.akam.net
ns3.level3.net
auth1.dns.cogentco.com
a6-66.akam.net
a7-65.akam.net
a13-67.akam.net
ns20.zayo.com
auth2.dns.cogentco.com
TXTbv-domain-verification=4511837bcf163b8c16a14c58b88001a9d52f016635529838e2f2db2a9eb6575f
fastly-domain-delegation-haFdRK5qtE-604165-202305068
status-page-domain-verification=f4p9pvjt5gtw
liveramp-site-verification=n_i3Tkg19Zo-JK3LKOs9K67apIXNNIPHV3R9sqL44ig
google-site-verification=GwZmYLXQkVJ3dAHFikZAjTpNkOxNeACna67kuYTUyAM
pardot373303=590bf6d3120d11c674d46ad11c2c001522ffdffd2ee119682dbef39c4e4d9645
mongodb-site-verification=VzaTCfxQ1u33iJ9f1oy8ZHRnaQg4aYsg
stripe-verification=1703d5043e7a37bcf7764c103a0758402b25e804c5e2f13d7c2456fc99f659e9
01319392
flexera-domain-verification-ivzrauoydrpdpzck
openai-domain-verification=dv-qzlk1GkyAX1fajU1U6nLbODv
google-site-verification=fWX7AFcmhAcRRPQ0emsehKvrMfbrQ9QFAa8gx6zeACg
atlassian-domain-verification=nor4wlzlpaY1gIz969mmayWeyZtoFqKbgIK3MMwJxMXNWhz38adx1PL4lqgu1aW7
openai-domain-verification=dv-ryTdqunpfQYdMnfMWCJi75lK
-wGpKEgpfo6jL7nohepfQUltWErcI1Vi0mv85zpOZR
76b80d6969864cfda3b60c36b2643d49
asv=1c0ebb2071cb51a3a10723b1a46f839a
apple-domain-verification=hGGENQSuBO2ijTe0MrJoeQs5S2x1z-fEJ-IrsxWFIgQ
9BfPDaYMzkYvaklEhWuipbRJA+Q3iE2fQHsozZv8YnH2aXu/l1ySXimIQ5QAxdk1JptN6ZlP/9fOJs6mwbueDA==
3oQetLbPYiIeB-AqjqjTDKzN8mw
ijJn37K8VdSxayA18QtfR1qUev8VV9Ju45iyxMtMgfH0BxW0JsckR6o17BKB++/izjsoO+zMmp4WlXKu7zbwpg==
stripe-verification=a9d792834a9c24f3f90fe0b216a3d66705b61d08273285eee2893302b95dcd32
safebreach-domain-verification=d13aaf5d-3e4b-42ef-ac10-2a4bc1845580
paloaltonetworks-site-verification=73090b8854fd74bf017e1d7d38bb667e7f41b1302c2c9922c8ef1555edbee9a5
Dynatrace-site-verification=e5dbd556-f174-4bca-989a-4efe91e13489__55tpqrk2q9ekrhmuvo78chplb
UCOMDPAAJiCNuzP/ebVmFOKAA2TP7tqEvDM1cf4ItaeVqtwgGqZNEMG/8c0aEZSaWZlKHKQdZMt8bRufnNJJ8Q==
globalsign-domain-verification=1ADE7E59F15B848208E9A2C3149BD6D9
paloaltonetworks-site-verification=e19ce729d4e0b73b68eb1c514696827a414288c627589613ef779cb56d7bb3b1
paloaltonetworks-site-verification=95a972bd8961a19c73c58da5f119dc0cfa8c06b78201558bc7dc0c025e2ebdda
c5f9f28f-53f4-4432-b9a8-4226caf3836d
mongodb-site-verification=vxzm0v32S5akF4SUYyztlilqyanHxhej
ms-domain-verification=bd950146-1df1-4af0-a38b-854708f6dcda
flexera-domain-verification-assbcwanzajkzhoj
4df61529-85a8-43eb-9a1b-744a26fc0bfb
hubspot-developer-verification=MDRhYzQ2NDItMDEwNC00ZjcxLTlkZGUtMWNiMGMyM2Q1MGZh
adobe-idp-site-verification=d332be15-fa0d-4864-98f9-9c3644c5ac8a
anthropic-domain-verification-ehbs8b=HPz9di3090qUVYnDn1zwLy6Kh
atlassian-domain-verification=9rtC63Zem2OXazHZo0JP5ut2fjvh4emaX/asaF85aZ25subk0l0wgs81SYf6acg3
onetrust-domain-verification=f97e9af20bcf4a9ba78688c9522048f3
onetrust-domain-verification=62b477d4d6c84ab2b26460e78b470ccd
safebreach-domain-verification=ca64ceb4-b0d6-435d-8b8c-53cf4d59ce29
00d4x0000017z8ueau
v=spf1 include:spf-00025703.pphosted.com include:spf.protection.outlook.com include:spf-00025704.pphosted.com include:spfa.t-mobile.com -all
google-site-verification=s5rWqvuHEodjhvw1kbSqZhYuHxluldo1wJEFOWzm37E
apple-domain-verification=FyTXddvPXPs0FQlw
infoblox-domain-mastery=74b051f293ffeddd50555c4bad7f26d3a10bb2747c6f4d9aa7d9227b34c738a586
google-site-verification=vn8hAM-cJoTQ0JqFsa_AXedZYcx_UhFilSt35qzqgVU
mongodb-site-verification=yT8AEYHWWybrpK1eaOJcyv5dscaJO38p
fastly-domain-delegation-E5JMY13uUgB53j0ZLi0O-468499
google-site-verification=yJy9n-g6ZDLu0q5loERegsi1Pd9_VOcIu3hXsKtwUnY
mongodb-site-verification=kyVazFNkhRwf381tlknqe9Ta5cHSr17w
globalsign-domain-verification=F43413DC69919612FB5BBC1331CFB888
apple-domain-verification=KDzvhXe4cbQdtw8Y
canva-site-verification=hu9CaOVojRhpeblHl8jR9A
asv=4440ed722578d3216de4f9e103861c6f
pardot27512=f3f9d92bd48b12ce585e7a93122d4159d5f8078eaad156ec9e1e47f0b63deb02
adobe-sign-verification=46b586473b87414e4981919c3f262b6c1bef554054c3440592999625b97827e6
pardot27512=104ea8a9b27d1b908d1ca3648bc2b1fc9a51868c7f4f5276afe19a184bfb2c67
pardot970243=51ca5207b72
CAA{'type': 'CAA', 'issue': 'digicert.com', 'critical': 0}
{'type': 'CAA', 'critical': 0, 'issuewild': 'digicert.com'}
{'type': 'CAA', 'iodef': 'mailto:pki-admin@t-mobile.com', 'critical': 0}
{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0}
RegistrationDeutsche Telekom AG
registrarDeutsche Telekom AG
registered2000-01-13
expires2027-01-13
last changed2026-08-14
ownerDeutsche Telekom AG
nameserversa1-167.akam.net
a13-67.akam.net
a14-65.akam.net
a6-66.akam.net
a7-65.akam.net
a8-66.akam.net
auth1.dns.cogentco.com
auth2.dns.cogentco.com
ns10.zayo.com
ns20.zayo.com
ns3.level3.net
ns4.level3.net
statusclient delete prohibited
client transfer prohibited
client update prohibited
server delete prohibited
server transfer prohibited
server update prohibited
registered 2000-01-13expires 2027-01-13
HTTPS certificate112 days left
validyes
issuerDigiCert Inc
coverswww.t-mobile.com, t-mobile.com
protocolTLSv1.3
issued 2026-08-03expires 2027-02-17
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → t-mobile.com
Email authenticationexcellent
SPFpass v=spf1 include:spf-00025703.pphosted.com include:spf.protection.outlook.com include:spf-00025704.pphosted.com include:spfa.t-mobile.com -all
DMARCpass policy reject
DKIMfound: selector1, k1, s1, s2

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade A · 180/205
Basic Security
20/40missing: DNSSEC Enabled
Record Security
45/45missing: DKIM Presence
Advanced Security
20/25missing: IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop23.205.249.201Barracuda23.205.249.201UCEPROTECT Level 123.205.249.201

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=t-mobile.com" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=t-mobile.com"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on t-mobile.com. Reference: /llms.txt.

Watch t-mobile.com. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days