ct.comodo.com - dns.ninja

`ct.comodo.com`

DNSSEC	⚠️ Not signed
NS	`ns1.as48447.net` ⭐
		A	2a0e:ac00:c7:d432::5bc7:d432^{🇬🇧 Comodo2a0e:ac00::/32}
			PTR	`ns1.as48447.net`
		A	91.199.212.50^{🇬🇧 Comodo91.199.212.0/24 Sectigo CA}
			PTR	`ns1.as48447.net`
NS	`ns2.as48447.net`
		A	2a0e:ac00:d1:c432::5bd1:c432^{🇬🇧 Comodo2a0e:ac00::/32}
		A	91.209.196.50^{🇬🇧 Comodo91.209.196.0/24 Sectigo}
			PTR	`ns2.as48447.net`
NS	`ns3.as48447.net` ⚠️ Not in parent delegation
		A	2a0e:ac00:d4:c32::5bd4:c32^{🇬🇧 Comodo2a0e:ac00::/32}
		A	91.212.12.50^{🇬🇧 Comodo91.212.12.0/24 Sectigo}
			PTR	`ns3.as48447.net`
SOA	`ns1.as48447.net`hostmaster@comodoca.com 2026-04-20 #1

`comodo.com`

	DNSSEC	⚠️ Not signed
	A	207.246.124.187^{🇺🇸 AS-VULTR207.246.120.0/21 Vultr Assigned Prefix}
	NS	`ns1.nurd.com` ⭐
	NS	`ns2.nurd.com`
	MX	`comodo-com.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 mx ip4:162.255.26.211 include:spf1.comodo.com include:spf.protection.o...`
	SOA	`ns1.nurd.com`dnsadmin@nurd.com serial=172800

WOT: SAFE (94/100)
rank #3649 globally
rank #1865 in the tld
WOT: SAFE (94/100)
📈 Tranco rank: #3,871

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DNS History

3 records (3 active, 0 former)

●NSns1.as48447.net2020-02-17 → 2026-06-16 · 2 obs

● 2020-02-17 06:06:22
● 2026-06-16 23:11:06

●NSns2.as48447.net2020-02-17 → 2026-06-16 · 2 obs

● 2020-02-17 06:06:22
● 2026-06-16 23:11:06

●NSns3.as48447.net2020-02-17 → 2026-06-16 · 2 obs

● 2020-02-17 06:06:22
● 2026-06-16 23:11:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
comodo.com	ns1.nurd.com, ns2.nurd.com	2 records
ct.comodo.com	ns1.as48447.net, ns2.as48447.net, ns2.as48447.net	-

✅ Authoritative Response

Server:91.209.196.50

NS records: ns1.as48447.net, ns2.as48447.net, ns2.as48447.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comodo.com (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns3.as48447.net, ns1.as48447.net...`
SOA	1	`ns1.as48447.net hostmaster.comodoca.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.nurd.com, ns2.nurd.com)

Analysis

Name Servers

DNS for ct.comodo.com is handled by three authoritative name servers: ns1.as48447.net, ns2.as48447.net and ns3.as48447.net.

ct.comodo.com shares at least some of its name servers with other domains, including idcertificate.com, enterprise-ssl.net, cryptoshop.be and two others.

These name servers are frequently paired with the name servers ns1.sectigodns.com, ns2.sectigodns.com and ns3.sectigodns.com.

Three hostnames — ns1.as48447.net, ns2.as48447.net and ns3.as48447.net — each have two IP addresses: ns1.as48447.net has 91.199.212.50 and 2a0e:ac00:c7:d432::5bc7:d432, ns2.as48447.net has 91.209.196.50 and 2a0e:ac00:d1:c432::5bd1:c432, and ns3.as48447.net has 91.212.12.50 and 2a0e:ac00:d4:c32::5bd4:c32.