`internetchallenges.com`

DNSSEC	⚠️ Not signed
NS	`ns1.stackdns.com` ⚠️ Not in zone NS records
		A	35.197.225.59^{🇬🇧 Google35.197.224.0/20}
			PTR	`59.225.197.35.bc.googleusercontent.com`
NS	`ns2.stackdns.com` ⚠️ Not in zone NS records
		A	146.148.28.88^{🇧🇪 Google146.148.16.0/20}
			PTR	`88.28.148.146.bc.googleusercontent.com`
NS	`ns3.stackdns.com` ⚠️ Not in zone NS records
		A	35.198.79.191^{🇩🇪 Google35.198.64.0/20}
			PTR	`191.79.198.35.bc.googleusercontent.com`
NS	`ns4.stackdns.com` ⚠️ Not in zone NS records
		A	104.196.137.209^{🇺🇸 Google104.196.128.0/20}
			PTR	`209.137.196.104.bc.googleusercontent.com`

`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=1771291435

⚠️ On DNS blocklist: tif

Subdomains

mail.internetchallenges.com

www.internetchallenges.com

Same first word

internetchallenges.com

DNS History

16 records (4 active, 12 former)

○NSns.mainnameserver.com2016-04-07 → 2017-05-29 · 5 obs

○ 2015-12-12 01:49:18
● 2016-04-07 11:04:34
● 2017-05-29 09:06:20
○ 2026-02-18 02:41:50
○ 2026-03-24 09:00:44

○NSns1.blacknight.com2015-08-13 → 2015-12-12 · 4 obs

● 2015-08-13 08:14:32
● 2015-12-12 01:49:18
○ 2016-04-07 11:04:34
○ 2026-03-24 09:00:44

●NSns1.stackdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-03-24 09:00:44

○NSns2.blacknight.com2015-08-13 → 2015-12-12 · 4 obs

● 2015-08-13 08:14:32
● 2015-12-12 01:49:18
○ 2016-04-07 11:04:34
○ 2026-03-24 09:00:44

○NSns2.mainnameserver.com2016-04-07 → 2017-05-29 · 5 obs

○ 2015-12-12 01:49:18
● 2016-04-07 11:04:34
● 2017-05-29 09:06:20
○ 2026-02-18 02:41:50
○ 2026-03-24 09:00:44

●NSns2.stackdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-03-24 09:00:44

●NSns3.stackdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-03-24 09:00:44

●NSns4.stackdns.com2026-02-18 → 2026-03-24 · 3 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-03-24 09:00:44

○MXinbound-smtp.cp.blacknight.com2015-08-13 → 2015-12-12 · 4 obs

● 2015-08-13 08:14:32
● 2015-12-12 01:49:18
○ 2016-04-07 11:04:34
○ 2026-03-24 09:00:44

○MXmail.internetchallenges.com2016-04-07 → 2017-05-29 · 5 obs

○ 2015-12-12 01:49:18
● 2016-04-07 11:04:34
● 2017-05-29 09:06:20
○ 2026-02-18 02:41:50
○ 2026-03-24 09:00:44

○MXmx.stackmail.com2026-02-18 → 2026-02-21 · 4 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-02-21 14:54:42
○ 2026-03-24 09:00:44

○A46.101.121.1212026-02-18 → 2026-02-21 · 4 obs

○ 2017-05-29 09:06:20
● 2026-02-18 02:41:50
● 2026-02-21 14:54:42
○ 2026-03-24 09:00:44

○A79.170.44.1032017-05-29 → 2017-05-29 · 4 obs

○ 2016-09-24 13:38:32
● 2017-05-29 09:06:20
○ 2026-02-18 02:41:50
○ 2026-03-24 09:00:44

○A79.170.44.2192016-04-07 → 2016-04-07 · 4 obs

○ 2015-12-12 01:49:18
● 2016-04-07 11:04:34
○ 2016-09-24 13:38:32
○ 2026-03-24 09:00:44

○A79.170.44.2222016-09-24 → 2016-09-24 · 4 obs

○ 2016-04-07 11:04:34
● 2016-09-24 13:38:32
○ 2017-05-29 09:06:20
○ 2026-03-24 09:00:44

○A81.17.254.462015-08-13 → 2015-12-12 · 4 obs

● 2015-08-13 08:14:32
● 2015-12-12 01:49:18
○ 2016-04-07 11:04:34
○ 2026-03-24 09:00:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
internetchallenges.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:35.197.225.59

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for internetchallenges.com (unsigned zone)

⏱️ Timing

Total: 1417ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

Hierarchy

internetchallenges.com is a parent of mail.internetchallenges.com and www.internetchallenges.com.

Name Servers

internetchallenges.com is delegated to four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

internetchallenges.com shares name servers with other domains at least partially, for example westcountrywindows-taunton.com, tister.co.uk, estonia.vn, amazing5dollarprofitsystem.com and flyfsm.co.uk.

Host names with a single IP:

ns1.stackdns.com points to 35.197.225.59

ns2.stackdns.com points to 146.148.28.88

ns3.stackdns.com points to 35.198.79.191

ns4.stackdns.com points to 104.196.137.209

internetchallenges.com - robtex.com