certifi.com - robtex.com

certifi.com

DNSSEC⚠️ Not signed
A35.206.127.1🇺🇸 Google35.206.64.0/18
PTR1.127.206.35.bc.googleusercontent.com
NSns-1821.awsdns-35.co.uk ⭐
A2600:9000:5307:1d00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1821.awsdns-35.co.uk
A205.251.199.29🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1821.awsdns-35.co.uk
NSns-1031.awsdns-00.org
A2600:9000:5304:700::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1031.awsdns-00.org
A205.251.196.7🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1031.awsdns-00.org
NSns-338.awsdns-42.com
A2600:9000:5301:5200::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-338.awsdns-42.com
A205.251.193.82🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-338.awsdns-42.com
NSns-529.awsdns-02.net
A2600:9000:5302:1100::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-529.awsdns-02.net
A205.251.194.17🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-529.awsdns-02.net
MXcertifi-com.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj2pr05cu00401.inbound.protection.outlook.com
A2a01:111:f403:c927::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn8pr05cu00301.inbound.protection.outlook.com
A2a01:111:f403:f905::4🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-dm2pr04cu00404.inbound.protection.outlook.com
A2a01:111:f403:f90b::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bn6pr04cu00100.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.10.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr03cu00202.inbound.protection.outlook.com
A52.101.11.13🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sn1pr0501cu00205.inbound.protection.outlook.com
A52.101.50.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr03cu00404.inbound.protection.outlook.com
TXTMS=ms64191692
TXTatlassian-domain-verification=B8UHl63Wp6uEfzEuGEdaL80UBsI/wPCFuVgVjRGYRF/jZt3...
TXThave-i-been-pwned-verification=dweb_vh0xj48u4s2pelmy40cz3n9m
TXTknowbe4-site-verification=30446809c092488f0332e11c84c25308
TXTopenai-domain-verification=dv-wh1UwcVbrQt7Upcaiz3KPi7Z
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns-1821.awsdns-35.co.ukawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435
🔒 HSTS Preload (+subdomains)

Same first word

certifi.pro
certifi.io
certifi.net
certifi.co.nz
certifi.com
certifi.co.uk
certifi.co

Similar names

fcrieti.it
rtifice.com
ticfire.com
rectifi.net
cfitire.com
terific.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns-1031.awsdns-00.orgns-1821.awsdns-35.co.ukns-338.awsdns-42.comns-529.awsdns-02.netns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXcertifi-com.mail.protection.outlook.comA35.206.127.166.235.200.4
●NSns-1031.awsdns-00.org2018-12-26 → 2026-02-25 · 3 obs
○ 2017-02-14 20:59:32
● 2018-12-26 12:49:32
● 2026-02-25 12:03:48
●NSns-1821.awsdns-35.co.uk2018-12-26 → 2026-02-25 · 3 obs
○ 2017-02-14 20:59:32
● 2018-12-26 12:49:32
● 2026-02-25 12:03:48
●NSns-338.awsdns-42.com2018-12-26 → 2026-02-25 · 3 obs
○ 2017-02-14 20:59:32
● 2018-12-26 12:49:32
● 2026-02-25 12:03:48
●NSns-529.awsdns-02.net2018-12-26 → 2026-02-25 · 3 obs
○ 2017-02-14 20:59:32
● 2018-12-26 12:49:32
● 2026-02-25 12:03:48
○NSns1.gratisdns.dk2015-08-06 → 2017-02-14 · 4 obs
● 2015-08-06 08:28:22
● 2017-02-14 20:59:32
○ 2018-12-26 12:49:32
○ 2026-02-25 12:03:48
○NSns2.gratisdns.dk2015-08-06 → 2017-02-14 · 4 obs
● 2015-08-06 08:28:22
● 2017-02-14 20:59:32
○ 2018-12-26 12:49:32
○ 2026-02-25 12:03:48
○NSns3.gratisdns.dk2015-08-06 → 2017-02-14 · 4 obs
● 2015-08-06 08:28:22
● 2017-02-14 20:59:32
○ 2018-12-26 12:49:32
○ 2026-02-25 12:03:48
○NSns4.gratisdns.dk2015-08-06 → 2017-02-14 · 4 obs
● 2015-08-06 08:28:22
● 2017-02-14 20:59:32
○ 2018-12-26 12:49:32
○ 2026-02-25 12:03:48
○NSns5.gratisdns.dk2015-08-06 → 2017-02-14 · 4 obs
● 2015-08-06 08:28:22
● 2017-02-14 20:59:32
○ 2018-12-26 12:49:32
○ 2026-02-25 12:03:48
●MXcertifi-com.mail.protection.outlook.com2018-12-26 → 2026-02-25 · 2 obs
● 2018-12-26 12:49:32
● 2026-02-25 12:03:48
●A35.206.127.12026-02-25 → 2026-02-25 · 3 obs
○ 2018-12-26 12:49:32
● 2026-02-25 08:29:18
● 2026-02-25 12:03:48
○A66.235.200.42018-12-26 → 2018-12-26 · 3 obs
● 2018-12-26 12:49:32
○ 2026-02-25 08:29:18
○ 2026-02-25 12:03:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...-
certifi.comns-529.awsdns-02.net, ns-338.awsdns-42.com, ns-1031.awsdns-00.org, ns-1821.awsdns-35.co.uk1 record

✅ Authoritative Response

Server: 205.251.193.82

NS records: ns-529.awsdns-02.net, ns-338.awsdns-42.com, ns-1031.awsdns-00.org, ns-1821.awsdns-35.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certifi.com (unsigned zone)

⏱️ Timing

Total: 373ms | Queries: -

📄 Records

TypeCountSample Data
A135.206.127.1
NS4ns-1031.awsdns-00.org, ns-1821.awsdns-35.co.uk...
MX1certifi-com.mail.protection.outlook.com
TXT6MS=ms64191692, atlassian-domain-verification=B8UHl63Wp6...
SOA1ns-1821.awsdns-35.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-338.awsdns-42.com)

AI analysis

certifi.com points to a single IP number: 35.206.127.1.

Other host names, for instance sgm-inc.com, modern-forager.com, 1.127.206.35.bc.googleusercontent.com, nanmckayconnects.com and certifi.net share IP numbers with certifi.com.

certifi.com is delegated to four name servers: ns-338.awsdns-42.com, ns-529.awsdns-02.net, ns-1031.awsdns-00.org and ns-1821.awsdns-35.co.uk.

certifi.com at least partially shares name servers with other domains, for instance 164.246.54.in-addr.arpa, d2vpqn4u56tlci.cloudfront.net, plushost.org, 150.252.34.in-addr.arpa and d2go1u1dstaeqb.cloudfront.net.

These name servers are commonly used alongside ns1-24-eu-west-1.ec2-rdns.amazonaws.com, ns2-24-eu-west-1.ec2-rdns.amazonaws.com, ns3-24-eu-west-1.ec2-rdns.amazonaws.com and ns4-24-eu-west-1.ec2-rdns.amazonaws.com.

Host names with two IP numbers:

ns-338.awsdns-42.com points to: 2600:9000:5301:5200::1 and 205.251.193.82.

ns-529.awsdns-02.net points to: 2600:9000:5302:1100::1 and 205.251.194.17.

ns-1031.awsdns-00.org points to: 2600:9000:5304:700::1 and 205.251.196.7.

ns-1821.awsdns-35.co.uk points to: 2600:9000:5307:1d00::1 and 205.251.199.29.

certifi.com is handled by a single mail server, certifi-com.mail.protection.outlook.com.

certifi-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c902::1, 2a01:111:f403:c927::1, 2a01:111:f403:f905::4, 2a01:111:f403:f90b::, 52.101.9.12, 52.101.10.2, 52.101.11.13 and 52.101.50.4.