`authenticative-response.com`

DNSSEC	⚠️ Not signed
A	199.2.137.203^{🇺🇸 COGENT199.0.0.0/14 SprintLink}
NS	`ns054a.microsoftinternetsafety.net` ⭐ ⚠️ Not in parent delegation
		A	13.107.206.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-41.azure-dns.info`
NS	`ns001.microsoftinternetsafety.net` ⚠️ Not in parent delegation
		A	13.107.222.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-41.azure-dns.org`
NS	`ns002.microsoftinternetsafety.net` ⚠️ Not in parent delegation
		A	13.107.206.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-41.azure-dns.info`
NS	`ns054b.microsoftinternetsafety.net` ⚠️ Not in parent delegation
		A	13.107.222.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-41.azure-dns.org`
NS	`ns3.microsoftinternetsafety.net` ⚠️ Not in zone NS records
		A	13.107.222.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns3-41.azure-dns.org`
NS	`ns4.microsoftinternetsafety.net` ⚠️ Not in zone NS records
		A	13.107.206.41^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns4-41.azure-dns.info`
MX	`mail.authenticative-response.com` ⭐
		A	199.2.137.203^{🇺🇸 COGENT199.0.0.0/14 SprintLink}
SOA	`NS054A.microsoftinternetsafety.net`azuredns-hostmaster@microsoft.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774467772

Same first word

authenticative-response.com

DNS History

8 records (8 active, 0 former)

●NSns001.microsoftinternetsafety.net2026-02-28 → 2026-03-25 · 3 obs

○ 2015-05-27 02:09:54
● 2026-02-28 11:08:12
● 2026-03-25 19:56:30

●NSns002.microsoftinternetsafety.net2026-02-28 → 2026-03-25 · 3 obs

○ 2015-05-27 02:09:54
● 2026-02-28 11:08:12
● 2026-03-25 19:56:30

●NSns054a.microsoftinternetsafety.net2026-02-28 → 2026-03-25 · 3 obs

○ 2015-05-27 02:09:54
● 2026-02-28 11:08:12
● 2026-03-25 19:56:30

●NSns054b.microsoftinternetsafety.net2026-02-28 → 2026-03-25 · 3 obs

○ 2015-05-27 02:09:54
● 2026-02-28 11:08:12
● 2026-03-25 19:56:30

●NSns3.microsoftinternetsafety.net2015-05-27 → 2026-03-25 · 2 obs

● 2015-05-27 02:09:54
● 2026-03-25 19:56:30

●NSns4.microsoftinternetsafety.net2015-05-27 → 2026-03-25 · 2 obs

● 2015-05-27 02:09:54
● 2026-03-25 19:56:30

●MXmail.authenticative-response.com2026-02-28 → 2026-03-25 · 2 obs

● 2026-02-28 11:08:12
● 2026-03-25 19:56:30

●A199.2.137.2032015-05-27 → 2026-03-25 · 2 obs

● 2015-05-27 02:09:54
● 2026-03-25 19:56:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
authenticative-response.com	ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net	-

✅ Authoritative Response

Server:13.107.206.41

NS records: ns3.microsoftinternetsafety.net, ns4.microsoftinternetsafety.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authenticative-response.com (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.2.137.203`
NS	4	`ns001.microsoftinternetsafety.net, ns002.microsoftinternetsafety.net...`
MX	1	`mail.authenticative-response.com (pri: 1`
SOA	1	`NS054A.microsoftinternetsafety.net azure`

Analysis

IP Addresses

authenticative-response.com points to a single IP number: 199.2.137.203.

Other host names, for instance cuteasabargain.com, microtecher.com, dsdgsd8765553555fsdhgfvbjhjejmnjfgfg.com, mail.chickoregon.info and wreg354g3.in share IP numbers with authenticative-response.com.

Name Servers

authenticative-response.com delegates to six name servers: ns001.microsoftinternetsafety.net, ns002.microsoftinternetsafety.net, ns054a.microsoftinternetsafety.net, ns054b.microsoftinternetsafety.net, ns3.microsoftinternetsafety.net and ns4.microsoftinternetsafety.net.

authenticative-response.com shares name servers with other domains at least partially, for instance herbert.su, roigyeirfywieor-eirug9.com, microsoft-update.name, microsoft365docsuite.com and bergazahid.com.

these name servers are commonly used with the name servers ns5.microsoftinternetsafety.net, ns6.microsoftinternetsafety.net, ns058a.microsoftinternetsafety.net, ns058b.microsoftinternetsafety.net, ns911a.microsoftinternetsafety.net, ns911b.microsoftinternetsafety.net, b66.microsoftinternetsafety.net, b67.microsoftinternetsafety.net, ns066a.microsoftinternetsafety.net and ns066b.microsoftinternetsafety.net.

Host names with one IP number:

Mail Servers

The mail server for authenticative-response.com is mail.authenticative-response.com.

Host name mail.authenticative-response.com resolves to IP 199.2.137.203.

authenticative-response.com - robtex.com