certainly.com is not available!

  • Website up
  • Not on blocklists
Registrar
MarkMonitor Inc.
Registered on
Expires on
Last updated
Name servers
Status
  • client delete prohibited
  • client transfer prohibited
  • client update prohibited
  • server delete prohibited
  • server transfer prohibited
  • server update prohibited
DNSSEC
Not signed
Report abuse to
abusecomplaints@markmonitor.com
Checked
Visit certainly.com

Contacts

  • Registrar

    MarkMonitor Inc. 292

  • Abuse

    abusecomplaints@markmonitor.com

    +1.2086851750

Website

Answer
200 OKin 96 ms
Ends at
https://www.certainly.com/
Redirects
  • https://certainly.com/ (301)
Title
Fastly’s certification authority - Certainly
Protocols
HTTP/2, HTTP/3
Certificate
Certainly (Certainly Intermediate R1) for certainly.com and www.certainly.com, valid until
www
Answers itself (200 OK)

DNS records

certainly.com

A
TTL 1 hour
AAAA
TTL 1 hour
MX
TTL 1 hour
NS
TTL 1 hour
TXT
  • google-site-verification=LPjXnY9si1h_g4Sy8Yib2Ec63DataD63CWsnB36kfrc
  • v=spf1 include:_spf.google.com ~all
TTL 1 hour
SOA
TTL 1 hour
CAA
TTL 1 hour

www.certainly.com

CNAME
TTL 1 hour
A
TTL 59 s
AAAA
TTL 59 s

_dmarc.certainly.com

TXT
TTL 1 hour

As 157.52.78.2 answers them

Reputation

Domain blocklists

  • Spamhaus DBL Not listed
  • SURBL Not listed
  • URIBL Not listed

Rankings

19,707 Tranco rank down from 19,618 on 2026-09-21
3.54Open PageRank, out of 10
54,293Open PageRank position
10Referring domains

From Tranco and Open PageRank

DNSSEC

certainly.com is not signed.

. Verified

  • Found 3 DNSKEY records for .
  • DS=20326/SHA-256 verifies DNSKEY=20326/SEP
  • DS=38696/SHA-256 verifies DNSKEY=38696/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=38696 and DNSKEY=38696/SEP verifies the DNSKEY RRset

com Verified

  • Found 1 DS records for com in the . zone
  • DS=19718/SHA-256 has algorithm ECDSAP256SHA256
  • Found 1 RRSIGs over DS RRset
  • RRSIG=8763 and DNSKEY=8763 verifies the DS RRset
  • Found 2 DNSKEY records for com
  • DS=19718/SHA-256 verifies DNSKEY=19718/SEP
  • Found 1 RRSIGs over DNSKEY RRset
  • RRSIG=19718 and DNSKEY=19718/SEP verifies the DNSKEY RRset

certainly.com Not signed

  • No DS records found for certainly.com in the com zone