How is postrelease.com?

Looks fine risk 0/100

Registered 20 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 229 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

229 ms

HTTPS

45 d

left on a Amazon certificate

Age

20 years

registered 2006-08-18

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	52.36.224.135
MX	0 smtp.google.com
NS	a16-65.akam.net a14-64.akam.net a3-67.akam.net a18-66.akam.net a1-171.akam.net a9-64.akam.net
TXT	v=spf1 ip4:24.182.6.2 include:spf.protection.outlook.com include:amazonses.com ~all google-site-verification=WWz9T1NOy8iStw6BLexDbfx_x5D40XhfY5lgTM0VLX8

RegistrationAmazon Registrar, Inc.

registrar	Amazon Registrar, Inc.
registered	2006-08-18
expires	2027-08-18
last changed	2026-07-14
owner	c/o whoisproxy.com
nameservers	a1-171.akam.net a14-64.akam.net a16-65.akam.net a18-66.akam.net a3-67.akam.net a9-64.akam.net
status	client transfer prohibited

registered 2006-08-18expires 2027-08-18

HTTPS certificate45 days left

valid	yes
issuer	Amazon
covers	.postrelease.com, postrelease.com, .ntv.io, ntv.io
protocol	TLSv1.3

issued 2026-06-02expires 2026-12-16

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → postrelease.com

Email authenticationgood

SPF	pass `v=spf1 ip4:24.182.6.2 include:spf.protection.outlook.com include:amazonses.com ~all`
DMARC	warning policy none
DKIM	found: google, selector1, selector2

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

Security scoregrade C · 143/205

Basic Security

10/40missing: DNSSEC Enabled, Nameserver Diversity

Record Security

23/45missing: CAA Records, DMARC Record, DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 5 lookups

SURBL MultidomainURIBL MultidomainSpamCop52.36.224.135Barracuda52.36.224.135UCEPROTECT Level 152.36.224.135

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=postrelease.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=postrelease.com"

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

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

Watch postrelease.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