How is pubmatic.com?
Looks fine
risk 0/100
Registered 20 years ago, on no blocklists we checked, valid HTTPS, the site answered 403 in 38 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
38 ms
HTTPS
164 d
left on a Amazon certificate
Age
20 years
registered 2006-12-29
Blocklists
0
listings across 5 lists
Everything we looked at
DNS records5 record types
| A | 18.165.98.27 18.165.98.111 18.165.98.77 18.165.98.36 |
|---|---|
| AAAA | 2600:9000:24f5:d800:1a:89bc:d200:93a1 2600:9000:24f5:3600:1a:89bc:d200:93a1 2600:9000:24f5:4c00:1a:89bc:d200:93a1 2600:9000:24f5:1200:1a:89bc:d200:93a1 2600:9000:24f5:4800:1a:89bc:d200:93a1 2600:9000:24f5:ee00:1a:89bc:d200:93a1 2600:9000:24f5:9c00:1a:89bc:d200:93a1 2600:9000:24f5:f200:1a:89bc:d200:93a1 |
| MX | 10 pubmatic-com.mail.protection.outlook.com |
| NS | dns3.p01.nsone.net dns2.p01.nsone.net dns4.p01.nsone.net dns1.p01.nsone.net |
| TXT | lf0lbi66of3jcf6n0uv4gr752f _9wpgmpewoullw91zaqpzt8m8qc7j77g notion-domain-verification=19jpcRd8mRVJtv6Hn97ddyBJ5GBR2SPJbT7ti3W5wvk cursor-domain-verification-ch2q0f=5DZkmX5DbpYp7YqaEeojXLqGx google-site-verification=Jn4Jtz0fCWQxljwA2-D15cbK1zLSMuLFANANTeAu4UM v=spf1 ip4:18.200.1.103 ip4:52.8.26.248 ip4:162.248.17.59 ip4:74.199.212.72 include:jira.iponweb.net include:_spf-dc41.sapsf.com include:_spf.salesforce.com include:aspmx.pardot.com include:_spf.qualtrics.com include:spf.protection.outlook.com include:spf.tipalti.com include:mail.zendesk.com include:_spf.psm.knowbe4.com include:spf.talpanetwork.com -all anthropic-domain-verification-6tq69t=QONTNTkr56i3Ju2XiibqWyQOd cloudflare-verify.pubmatic.com=251111832-549189046 google-site-verification=D6vg1pORp0ZtyaeGqXbiAcjDS7_flAW30VL0iClCmgE atlassian-domain-verification=vM2JC9kWhVtDdMtu/qOP/i9ECeHbdGIisRnqys4qlOR6YZrirHFzFxaEoL/qzQJa google-site-verification=4x3AESePyWUn3Fyfirac5BT57SUokyyYZhdZ331OmpQ hes=7e94a34b26db97ef237e11205058c0fb zoom=9694355ca3-06b3a0af34c24f35b9d6441fb0ee7b0e MS=ms97294344 pardot_214271_*=d91debdeb5dc3f241f55d67d2d6396d8f7f8f6a1791396b9e1f64f56df382f32 |
RegistrationGoDaddy.com, LLC
| registrar | GoDaddy.com, LLC |
|---|---|
| registered | 2006-12-29 |
| expires | 2034-09-08 |
| last changed | 2025-07-11 |
| nameservers | dns1.p01.nsone.net dns2.p01.nsone.net dns3.p01.nsone.net dns4.p01.nsone.net |
| status | client delete prohibited client renew prohibited client transfer prohibited client update prohibited |
registered 2006-12-29expires 2034-09-08
HTTPS certificate164 days left
| valid | yes |
|---|---|
| issuer | Amazon |
| covers | pubmatic.com, pubmatic.co.jp, *.pubmatic.com, *.pubmatic.co.jp |
| protocol | TLSv1.3 |
issued 2026-09-23expires 2027-04-08
DNSSECinsecure
Domain is not signed with DNSSEC
. → com → pubmatic.com
Email authenticationgood
| SPF | pass v=spf1 ip4:18.200.1.103 ip4:52.8.26.248 ip4:162.248.17.59 ip4:74.199.212.72 include:jira.iponweb.net include:_spf-dc41.sapsf.com include:_spf.salesforce.com include:aspmx.pardot.com include:_spf.qualtrics.com include:spf.protection.outlook.com include:spf.tipalti.com include:mail.zendesk.com include:_spf.psm.knowbe4.com include:spf.talpanetwork.com -all |
|---|---|
| DMARC | warning policy none |
| DKIM | found: selector1, s1, s2 |
Whether mail claiming to be from this domain can be checked as genuine.
Security scoregrade B · 148/205
Basic Security10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security23/45missing: CAA Records, DMARC Record, DKIM Presence
Advanced Security20/25missing: Mail Server Configuration
Domain Reputation50/50
Threat Detection45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop18.165.98.77Barracuda18.165.98.77UCEPROTECT Level 118.165.98.77SpamCop18.165.98.111Barracuda18.165.98.111UCEPROTECT Level 118.165.98.111SpamCop18.165.98.27Barracuda18.165.98.27UCEPROTECT Level 118.165.98.27SpamCop18.165.98.36Barracuda18.165.98.36UCEPROTECT Level 118.165.98.36
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=pubmatic.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=pubmatic.com"
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on pubmatic.com.
Reference: /llms.txt.
Watch pubmatic.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