How is bugsnag.com?

Looks fine risk 0/100

Registered 15 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 427 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

427 ms · ends at www.bugsnag.com

HTTPS

151 d

left on a DigiCert Inc certificate

Age

15 years

registered 2011-08-18

Blocklists

listings across 5 lists

Everything we looked at

DNS records4 record types

A	18.160.41.5 18.160.41.37 18.160.41.51 18.160.41.36
MX	10 us-smtp-inbound-2.mimecast.com 10 us-smtp-inbound-1.mimecast.com
NS	ns-974.awsdns-57.net ns-1651.awsdns-14.co.uk ns-1240.awsdns-27.org ns-311.awsdns-38.com
TXT	atlassian-domain-verification=LT8w16bpRN1jQLkO+Hi4fVyWjItQAqJA+oZcx02AOuk8kEsBpMs2OgTaCDZYb1Ts mimecast=0ed1fe018afb28a799336744a1b654b945b999b786 google-site-verification=IN4EdTbQ2u1llbrrZ2C4l27LPSmQLsLd_dZZ8XV0F4o MS=ms51150029 v=spf1 include:amazonses.com include:mktomail.com include:spf.protection.outlook.com include:sendgrid_spf.bugsnag.com include:sendgrid_spf.smartbear.com include:us._netblocks.mimecast.com include:mail.zendesk.com -all google-site-verification=S8hSZCU-dY0ArbvB7hF8NGGEtVnzTL7pKnxyzPZYjjU _y530x26l6masg9heypfx2yjnbrtzyt4 MS=5E694005809BF98FFFFCEF9960730174EE04A592

RegistrationGandi SAS

registrar	Gandi SAS
registered	2011-08-18
expires	2027-08-18
last changed	2026-06-10
owner	Bugsnag Inc.
nameservers	ns-1240.awsdns-27.org ns-1651.awsdns-14.co.uk ns-311.awsdns-38.com ns-974.awsdns-57.net
status	client transfer prohibited

registered 2011-08-18expires 2027-08-18

HTTPS certificate151 days left

valid	yes
issuer	DigiCert Inc
covers	.bugsnag.com, .otlp.bugsnag.com, bugsnag.com, otlp.bugsnag.com
protocol	TLSv1.3

issued 2026-09-17expires 2027-03-27

DNSSECinsecure

Domain is not signed with DNSSEC

. → com → bugsnag.com

Email authenticationexcellent

SPF	pass `v=spf1 include:amazonses.com include:mktomail.com include:spf.protection.outlook.com include:sendgrid_spf.bugsnag.com include:sendgrid_spf.smartbear.com include:us._netblocks.mimecast.com include:mail.zendesk.com -all`
DMARC	pass policy reject
DKIM	found: selector1, s1, s2

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

Security scoregrade B · 165/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

30/45missing: CAA Records, DKIM Presence

Advanced Security

20/25missing: IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop18.160.41.5Barracuda18.160.41.5UCEPROTECT Level 118.160.41.5SpamCop18.160.41.37Barracuda18.160.41.37UCEPROTECT Level 118.160.41.37SpamCop18.160.41.36Barracuda18.160.41.36UCEPROTECT Level 118.160.41.36SpamCop18.160.41.51Barracuda18.160.41.51UCEPROTECT Level 118.160.41.51

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=bugsnag.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=bugsnag.com"

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

Watch bugsnag.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