`challenge-handling.com`

DNSSEC	⚠️ Not signed
A	13.33.82.9^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
		PTR	`server-13-33-82-9.bos50.r.cloudfront.net`
A	13.33.82.12^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
A	13.33.82.15^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
A	13.33.82.53^{🇺🇸 Amazon13.33.80.0/21 - Cloudfront}
NS	`ns-643.awsdns-16.net` ⭐
		A	2600:9000:5302:8300::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-643.awsdns-16.net`
		A	205.251.194.131^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-643.awsdns-16.net`
NS	`ns-1251.awsdns-28.org`
		A	2600:9000:5304:e300::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1251.awsdns-28.org`
		A	205.251.196.227^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1251.awsdns-28.org`
NS	`ns-1777.awsdns-30.co.uk`
		A	2600:9000:5306:f100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1777.awsdns-30.co.uk`
		A	205.251.198.241^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1777.awsdns-30.co.uk`
NS	`ns-438.awsdns-54.com`
		A	2600:9000:5301:b600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-438.awsdns-54.com`
		A	205.251.193.182^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-438.awsdns-54.com`
MX	`challengehandling-com02c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
TXT	`1password-site-verification=S3DDSVLUCRHQROVSYSEUH4KKAA`
SOA	`ns-643.awsdns-16.net`awsdns-hostmaster@amazon.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=1777075381

Same first word

challenge-handling.com

challenge-handling.be

DNS History

33 records (9 active, 24 former)

●NSns-1251.awsdns-28.org2026-02-15 → 2026-04-25 · 2 obs

● 2026-02-15 19:42:24
● 2026-04-25 00:16:16

●NSns-1777.awsdns-30.co.uk2026-02-15 → 2026-04-25 · 2 obs

● 2026-02-15 19:42:24
● 2026-04-25 00:16:16

●NSns-438.awsdns-54.com2026-02-15 → 2026-04-25 · 2 obs

● 2026-02-15 19:42:24
● 2026-04-25 00:16:16

●NSns-643.awsdns-16.net2026-02-15 → 2026-04-25 · 2 obs

● 2026-02-15 19:42:24
● 2026-04-25 00:16:16

●MXchallengehandling-com02c.mail.protection.outlook.com2026-02-15 → 2026-04-25 · 2 obs

● 2026-02-15 19:42:24
● 2026-04-25 00:16:16

●A13.33.82.122026-04-24 → 2026-04-25 · 5 obs

○ 2026-04-15 16:38:28
● 2026-04-24 04:28:48
○ 2026-04-24 12:29:46
● 2026-04-25 00:16:14
● 2026-04-25 00:16:16

●A13.33.82.152026-04-24 → 2026-04-25 · 5 obs

○ 2026-04-15 16:38:28
● 2026-04-24 04:28:48
○ 2026-04-24 12:29:46
● 2026-04-25 00:16:14
● 2026-04-25 00:16:16

●A13.33.82.532026-04-24 → 2026-04-25 · 5 obs

○ 2026-04-15 16:38:28
● 2026-04-24 04:28:48
○ 2026-04-24 12:29:46
● 2026-04-25 00:16:14
● 2026-04-25 00:16:16

●A13.33.82.92026-04-24 → 2026-04-25 · 5 obs

○ 2026-04-15 16:38:28
● 2026-04-24 04:28:48
○ 2026-04-24 12:29:46
● 2026-04-25 00:16:14
● 2026-04-25 00:16:16

○A13.35.93.1282026-02-15 → 2026-03-22 · 10 obs

● 2026-02-15 19:42:24
● 2026-02-16 02:32:04
○ 2026-02-16 04:01:42
○ 2026-03-12 18:15:30
● 2026-03-14 16:30:30
○ 2026-03-14 18:08:04
○ 2026-03-17 09:07:48
● 2026-03-22 17:03:22
○ 2026-03-23 04:44:52
○ 2026-04-25 00:16:16

○A13.35.93.232026-02-15 → 2026-03-22 · 10 obs

○A13.35.93.402026-02-15 → 2026-03-22 · 10 obs

○A13.35.93.912026-02-15 → 2026-03-22 · 10 obs

○A18.67.145.362026-03-28 → 2026-04-24 · 11 obs

○ 2026-03-27 16:23:22
● 2026-03-28 11:19:50
● 2026-04-10 06:20:32
○ 2026-04-12 14:52:36
○ 2026-04-12 17:52:12
● 2026-04-13 12:21:28
○ 2026-04-13 13:03:14
○ 2026-04-24 04:28:48
● 2026-04-24 12:29:46
○ 2026-04-25 00:16:14
○ 2026-04-25 00:16:16

○A18.67.145.652026-03-28 → 2026-04-24 · 11 obs

○A18.67.145.662026-03-28 → 2026-04-24 · 11 obs

○A18.67.145.842026-03-28 → 2026-04-24 · 11 obs

○A3.166.65.102026-02-16 → 2026-04-15 · 22 obs

○ 2026-02-15 19:42:24
○ 2026-02-16 02:32:04
● 2026-02-16 04:01:42
● 2026-02-24 09:02:04
○ 2026-02-25 17:21:46
● 2026-02-28 09:39:48
● 2026-03-12 18:15:30
○ 2026-03-14 16:30:30
● 2026-03-14 18:08:04
○ 2026-03-16 07:42:48
● 2026-03-16 19:48:00
● 2026-03-17 09:07:48
○ 2026-03-22 17:03:22
○ 2026-04-10 06:20:32
● 2026-04-12 14:52:36
● 2026-04-12 17:52:12
○ 2026-04-13 12:21:28
○ 2026-04-13 16:00:52
● 2026-04-13 16:51:02
● 2026-04-15 16:38:28
○ 2026-04-24 04:28:48
○ 2026-04-25 00:16:16

○A3.166.65.1022026-02-16 → 2026-04-15 · 22 obs

○A3.166.65.392026-02-16 → 2026-04-15 · 22 obs

○A3.166.65.882026-02-16 → 2026-04-15 · 22 obs

○A3.167.69.282026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-22 17:03:22
● 2026-03-23 04:44:52
● 2026-03-27 16:23:22
○ 2026-03-28 11:19:50
○ 2026-04-25 00:16:16

○A3.167.69.332026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-22 17:03:22
● 2026-03-23 04:44:52
● 2026-03-27 16:23:22
○ 2026-03-28 11:19:50
○ 2026-04-25 00:16:16

○A3.167.69.592026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-22 17:03:22
● 2026-03-23 04:44:52
● 2026-03-27 16:23:22
○ 2026-03-28 11:19:50
○ 2026-04-25 00:16:16

○A3.167.69.882026-03-23 → 2026-03-27 · 5 obs

○ 2026-03-22 17:03:22
● 2026-03-23 04:44:52
● 2026-03-27 16:23:22
○ 2026-03-28 11:19:50
○ 2026-04-25 00:16:16

○A3.174.29.142026-04-13 → 2026-04-13 · 5 obs

○ 2026-04-13 12:21:28
● 2026-04-13 13:03:14
● 2026-04-13 16:00:52
○ 2026-04-13 16:51:02
○ 2026-04-25 00:16:16

○A3.174.29.212026-04-13 → 2026-04-13 · 5 obs

○ 2026-04-13 12:21:28
● 2026-04-13 13:03:14
● 2026-04-13 16:00:52
○ 2026-04-13 16:51:02
○ 2026-04-25 00:16:16

○A3.174.29.312026-04-13 → 2026-04-13 · 5 obs

○ 2026-04-13 12:21:28
● 2026-04-13 13:03:14
● 2026-04-13 16:00:52
○ 2026-04-13 16:51:02
○ 2026-04-25 00:16:16

○A3.174.29.472026-04-13 → 2026-04-13 · 5 obs

○ 2026-04-13 12:21:28
● 2026-04-13 13:03:14
● 2026-04-13 16:00:52
○ 2026-04-13 16:51:02
○ 2026-04-25 00:16:16

○A99.84.215.1102026-02-25 → 2026-03-16 · 7 obs

○ 2026-02-24 09:02:04
● 2026-02-25 17:21:46
○ 2026-02-28 09:39:48
○ 2026-03-14 18:08:04
● 2026-03-16 07:42:48
○ 2026-03-16 19:48:00
○ 2026-04-25 00:16:16

○A99.84.215.612026-02-25 → 2026-03-16 · 7 obs

○ 2026-02-24 09:02:04
● 2026-02-25 17:21:46
○ 2026-02-28 09:39:48
○ 2026-03-14 18:08:04
● 2026-03-16 07:42:48
○ 2026-03-16 19:48:00
○ 2026-04-25 00:16:16

○A99.84.215.822026-02-25 → 2026-03-16 · 7 obs

○ 2026-02-24 09:02:04
● 2026-02-25 17:21:46
○ 2026-02-28 09:39:48
○ 2026-03-14 18:08:04
● 2026-03-16 07:42:48
○ 2026-03-16 19:48:00
○ 2026-04-25 00:16:16

○A99.84.215.872026-02-25 → 2026-03-16 · 7 obs

○ 2026-02-24 09:02:04
● 2026-02-25 17:21:46
○ 2026-02-28 09:39:48
○ 2026-03-14 18:08:04
● 2026-03-16 07:42:48
○ 2026-03-16 19:48:00
○ 2026-04-25 00:16:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
challenge-handling.com	ns-643.awsdns-16.net, ns-438.awsdns-54.com, ns-1777.awsdns-30.co.uk, ns-1251.awsdns-28.org	2 records

✅ Authoritative Response

Server:205.251.194.131

NS records: ns-643.awsdns-16.net, ns-438.awsdns-54.com, ns-1777.awsdns-30.co.uk, ns-1251.awsdns-28.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challenge-handling.com (unsigned zone)

⏱️ Timing

Total: 649ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.82.15, 13.33.82.53...`
NS	4	`ns-1251.awsdns-28.org, ns-1777.awsdns-30.co.uk...`
MX	1	`challengehandling-com02c.mail.protection`
TXT	1	`1password-site-verification=S3DDSVLUCRHQ`
SOA	1	`ns-643.awsdns-16.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-438.awsdns-54.com, ns-438.awsdns-54.com)

Analysis

IP Addresses

Four IP numbers are pointed to by challenge-handling.com: 13.33.82.9, 13.33.82.12, 13.33.82.15 and 13.33.82.53.

other host names including ia.testnav.com, surgithin.com, carshop.lk, recordnewstv.com.br and d2b7ywikjaburi.cloudfront.net share IP numbers with challenge-handling.com.

Name Servers

challenge-handling.com is delegated to four name servers: ns-438.awsdns-54.com, ns-643.awsdns-16.net, ns-1251.awsdns-28.org and ns-1777.awsdns-30.co.uk.

challenge-handling.com at least partially shares name servers with other domains, for instance icimsinc.com, nrt1.squareup.com, exomath.com, marriottvetcareers.com and sheltter-green.com.

Host names with two IP numbers:

ns-438.awsdns-54.com points to 2600:9000:5301:b600::1 and 205.251.193.182; ns-643.awsdns-16.net points to 2600:9000:5302:8300::1 and 205.251.194.131; ns-1251.awsdns-28.org points to 2600:9000:5304:e300::1 and 205.251.196.227; ns-1777.awsdns-30.co.uk points to 2600:9000:5306:f100::1 and 205.251.198.241.

Mail Servers

challenge-handling.com is handled by a single mail server, challengehandling-com02c.mail.protection.outlook.com.

Host challengehandling-com02c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::c, 52.101.68.8, 52.101.68.21, 52.101.68.27 and 52.101.73.30.

challenge-handling.com - robtex.com