How is teamviewer.com?
Looks fine
risk 0/100
Registered 22 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 424 ms.
Why
02050100
finecarefulhigh risk
- ·Nothing in the checks added risk.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
424 ms · ends at www.teamviewer.com
HTTPS
173 d
left on a Sectigo Limited certificate
Age
22 years
registered 2004-09-21
Blocklists
0
listings across 5 lists
Everything we looked at
DNS records5 record types
| A | 52.223.21.92 |
|---|---|
| AAAA | 2600:9000:a61f:6da7:367b:7826:b8c1:d0a8 |
| MX | 10 de-smtp-inbound-1.mimecast.com 20 de-smtp-inbound-2.mimecast.com |
| NS | tv-ns2.teamviewer.com tv-ns3.teamviewer.com tv-ns5.teamviewer.com tv-ns4.teamviewer.com tv-ns1.teamviewer.com |
| TXT | anthropic-domain-verification-3zksf3=OinEXnc1oMunLLSigdksETuCE google-site-verification=HQFfd2qBjnh75zxShH8oXeI6eOPJH8JDFtd7cuJ72bA d365mktkey=146n2au46uacfx2yh2pkr15ny facebook-domain-verification=6pi8jij37n7oqqjxmx71966fbmxqcx _globalsign-domain-verification=Y1GgPaSyG81-EN2NrP8hILKe2GTUWM54hjscmv6jBk ec6880d3b7db57c58ab9b5e1bb764825 lovable_verification=c33eb0e5a3dd312b7fac004f0b1581c33ec62645483d968aeea9bdd2d129dd71 unity-sso-verification=07a2c7a8-a259-4cc5-888f-f9e80a0ab185 adobe-idp-site-verification=6cbad55ffcddf43d94d2b1c2e60b95f272e31763e2d42f4d3d0174caee4ee99a onetrust-domain-verification=0c094166bc724015b695b7b337624493 google-site-verification=riFpfoatyazAp6mwXRcP6MrItMCQrnul-6Q0Z9EXE5w openai-domain-verification=dv-KVd919AruTc1mGNVtllm8i3h _globalsign-domain-verification=OVTBSGDMYEmFvdvCH5UN0-QdNBRlnoUGw13A98H54d canva-site-verification=NicZhXhjtqtLteupgQl0MA successfactors-site-verification=ZWE5OGRkNGE4MmFjZjI2Mjg2MTJhYzgyMGM3MDNhYzJhMzlhMjAyODQzOTk5MGYyOGU0MGQxYzQyZmU4M2E0ZA== parallels-domain-verification=76be5d12fe3a474dad8a12f6a172d473839a469ab0774df3baf5e44002885563 detectify-verification=7540a1e2030b19115f494828de89822d successfactors-site-verification=NDA4NGU1NjllNjk4MTRjMmI2OTMxNjEyOTVmZGJiZTBlMmE0NGExYTVlODRhNDg0ZTY1MGNmNGY3MDc3YzUyMA== 80d5cd42d54ba9732385b37032eddf51 docusign=6812bedd-e053-4dcd-899f-ed66e277e1eb masv=vncYWxPFHfvolOMjETuUBaiGIguqgKxx jetbrains-domain-verification=5mfdsi7f6nfamrd7vcydojvo0 sitecore-domain-verification=abfbcd38f17b445089824d00f5a64a25 pendo-domain-verification=ciFkHUnwlKGW3k6fCifwQqlDOuU v=spf1 include:_spf.teamviewer_com._d.easydmarc.pro -all elevenlabs=YqBSMmkI3VP-je2zEtTuzUc0a2UOj6tRp8jyp7kOsy4 google-site-verification=TqF8cNI_2UUHNX6XAQOP5GNXlFF0nh7SRY1wfgWqOS0 mailru-verification: a0c492f216abd88c google-site-verification=osb4Zy5kgCiMUPEq-xjIpDC5m1d3AegVA_d-Q9N1PRc atlassian-domain-verification=Iq432BzxCC6yeMQBh1x/yYtqry62KIgCdqIhiiFThQz6scoUoDICVLvCT63akPZw google-site-verification=ZwPmBN3yWUzzpO0LVNiYmeiHLUTH-Ql2O06NQ983Gw0 google-site-verification=W0iu3lEHYcY8_2i6x0GdX-DIEMb2cK2MajC5345JwIs 351ab9f64a2f621bbbb59eb646c6d4c9 346b555a9fd504187ad7e0460e83bb68 thebrief-domain-verification=ae508772-69f5-4ae1-885f-2fdfa0cc6335 teamviewer-sso-verification=d74e4251ee914fc6a1ccb14f0cce8f75 d365mktkey=hf5UU9u1OxafXOu80vfsxzNlzPoFpKagxxaDSNC2WnEx _e3eb7n6i15l1rzkusap3cq4yygsdaut apple-domain-verification=nYdrMm50ZPrGjNq0 |
RegistrationRegistryGate GmbH
| registrar | RegistryGate GmbH |
|---|---|
| registered | 2004-09-21 |
| expires | 2027-09-21 |
| last changed | 2026-09-22 |
| nameservers | tv-ns1.teamviewer.com tv-ns2.teamviewer.com tv-ns3.teamviewer.com tv-ns4.teamviewer.com tv-ns5.teamviewer.com |
| status | client transfer prohibited |
registered 2004-09-21expires 2027-09-21
HTTPS certificate173 days left
| valid | yes |
|---|---|
| issuer | Sectigo Limited |
| covers | *.teamviewer.com, teamviewer.com |
| protocol | TLSv1.3 |
issued 2026-10-02expires 2027-04-18
DNSSECinsecure
Domain is not signed with DNSSEC
. → com → teamviewer.com
Email authenticationexcellent
| SPF | pass v=spf1 include:_spf.teamviewer_com._d.easydmarc.pro -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: s1 |
Whether mail claiming to be from this domain can be checked as genuine.
Security scoregrade B · 155/205
Basic Security10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security30/45missing: CAA Records, DKIM Presence
Advanced Security20/25missing: SOA Record Configuration
Domain Reputation50/50
Threat Detection45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop52.223.21.92Barracuda52.223.21.92UCEPROTECT Level 152.223.21.92
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=teamviewer.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=teamviewer.com"
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on teamviewer.com.
Reference: /llms.txt.
Watch teamviewer.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