HOW.IS
?

How is rubiconproject.com?

Looks fine risk 0/100

Registered 19 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 181 ms.

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

How rubiconproject.com looks right now
The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.
Site
200
181 ms · ends at www.magnite.com
HTTPS
191 d
left on a Amazon certificate
Age
19 years
registered 2007-05-02
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records5 record types
A3.170.3.81
3.170.3.15
3.170.3.16
3.170.3.28
AAAA2600:9000:28dc:600:19:133b:2800:93a1
2600:9000:28dc:2e00:19:133b:2800:93a1
2600:9000:28dc:7600:19:133b:2800:93a1
2600:9000:28dc:ae00:19:133b:2800:93a1
2600:9000:28dc:4a00:19:133b:2800:93a1
2600:9000:28dc:1a00:19:133b:2800:93a1
2600:9000:28dc:a00:19:133b:2800:93a1
2600:9000:28dc:d200:19:133b:2800:93a1
MX10 aspmx3.googlemail.com
10 aspmx2.googlemail.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
1 aspmx.l.google.com
NSns-483.awsdns-60.com
ns-1150.awsdns-15.org
ns-644.awsdns-16.net
ns-1722.awsdns-23.co.uk
TXTgoogle-site-verification=U-FUvU0VS4falHBMujbJtZpgqy95I2EFC08ADvrqlSQ
adobe-idp-site-verification=7ba00fd005454fcba9ed31a7ad48786fef98ee97ccc28d469c180d51d3aa792b
apple-domain-verification=G4AVkC9r63d1Wgp7
docusign=740bb1dc-f7a3-4027-b408-aed4bd2824d0
google-site-verification=8Oe3JXELIVSWdd5P6OY4UM5pF_aqaApPAbdvsIqjvtY
00d700000008awveam
v=spf1 ip4:72.34.113.100 ip4:69.194.143.140 include:spf.rubiconproject.com include:sendgrid.net include:_spf.google.com include:mktomail.com include:spf.mandrillapp.com include:aspmx.pardot.com ~all
slack-domain-verification=mlIG4ylJounirRIFXuVrwirxvgiAUa63gagbhqV0
logmein-domain-confirmation 90DIFG9EEUT8U8R48952255
RegistrationGoDaddy.com, LLC
registrarGoDaddy.com, LLC
registered2007-05-02
expires2027-05-02
last changed2026-05-02
nameserversns-1150.awsdns-15.org
ns-1722.awsdns-23.co.uk
ns-483.awsdns-60.com
ns-644.awsdns-16.net
ns-cloud-a1.googledomains.com
ns-cloud-a2.googledomains.com
ns-cloud-a3.googledomains.com
ns-cloud-a4.googledomains.com
statusclient delete prohibited
client renew prohibited
client transfer prohibited
client update prohibited
registered 2007-05-02expires 2027-05-02
HTTPS certificate191 days left
validyes
issuerAmazon
coversrubiconproject.com
protocolTLSv1.3
issued 2026-10-20expires 2027-05-05
DNSSECinsecure

Domain is not signed with DNSSEC

. → com → rubiconproject.com
Email authenticationgood
SPFpass v=spf1 ip4:72.34.113.100 ip4:69.194.143.140 include:spf.rubiconproject.com include:sendgrid.net include:_spf.google.com include:mktomail.com include:spf.mandrillapp.com include:aspmx.pardot.com ~all
DMARCwarning policy quarantine
DKIMfound: google, s1, s2

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

Security scoregrade B · 160/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
25/25
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 14 lookups
SURBL MultidomainURIBL MultidomainSpamCop3.170.3.28Barracuda3.170.3.28UCEPROTECT Level 13.170.3.28SpamCop3.170.3.81Barracuda3.170.3.81UCEPROTECT Level 13.170.3.81SpamCop3.170.3.16Barracuda3.170.3.16UCEPROTECT Level 13.170.3.16SpamCop3.170.3.15Barracuda3.170.3.15UCEPROTECT Level 13.170.3.15

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=rubiconproject.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=rubiconproject.com"

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

Watch rubiconproject.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