How is register.com?

Looks fine risk 0/100

Registered 32 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 78 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

403

78 ms

HTTPS

31 d

left on a Google Trust Services certificate

Age

32 years

registered 1994-11-01

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	162.159.136.39 162.159.135.39
MX	0 register-com.mail.eo.outlook.com
NS	rex.ns.cloudflare.com heidi.ns.cloudflare.com
TXT	facebook-domain-verification=ve27qqe9b9xo0hl0kczky3sxs9teoo MS=ms32923376 google-site-verification=yfbeYJ98Q02mmnh9hSyevNXH5K3oZG-OPTvpj7y4YbE MS=ms10832387 google-site-verification=EaO7gkYr2gTM2BknYLpq5-VVBMmScHQMYcte1DH_5s0 v=spf1 ip4:209.17.115.0/24 ip4:209.237.134.0/24 ip4:64.69.208.0/24 ip4:64.69.212.0/24 ip4:64.69.218.0/24 ip4:74.200.28.190 ip4:98.124.246.29 include:spf.protection.outlook.com include:spf.websitewelcome.com -all google-site-verification=lPc9ZvInDA7hSTv9k8bLz06jutlU0u2zGSDGghTRhq4

RegistrationRegister.com - Network Solutions, LLC

registrar	Register.com - Network Solutions, LLC
registered	1994-11-01
expires	2028-08-04
last changed	2020-12-02
nameservers	heidi.ns.cloudflare.com rex.ns.cloudflare.com
status	client delete prohibited client transfer prohibited client update prohibited server delete prohibited server transfer prohibited server update prohibited client renew prohibited

registered 1994-11-01expires 2028-08-04

HTTPS certificate31 days left

valid	yes
issuer	Google Trust Services
covers	register.com, *.register.com
protocol	TLSv1.3

issued 2026-09-03expires 2026-12-02

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → register.com

Email authenticationexcellent

SPF	pass `v=spf1 ip4:209.17.115.0/24 ip4:209.237.134.0/24 ip4:64.69.208.0/24 ip4:64.69.212.0/24 ip4:64.69.218.0/24 ip4:74.200.28.190 ip4:98.124.246.29 include:spf.protection.outlook.com include:spf.websitewelcome.com -all`
DMARC	pass policy quarantine
DKIM	found: default, selector1

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

Security scoregrade B · 150/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 8 lookups

SURBL MultidomainURIBL MultidomainSpamCop162.159.136.39Barracuda162.159.136.39UCEPROTECT Level 1162.159.136.39SpamCop162.159.135.39Barracuda162.159.135.39UCEPROTECT Level 1162.159.135.39

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=register.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=register.com"

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

IPv6. Does register.com work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch register.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