`defptr.nl`

DNSSEC	⚠️ Not signed
A	18.244.164.9^{🇺🇸 Amazon18.244.164.0/23}
		PTR	`server-18-244-164-9.lhr50.r.cloudfront.net`
A	18.244.164.40^{🇺🇸 Amazon18.244.164.0/23}
A	18.244.164.92^{🇺🇸 Amazon18.244.164.0/23}
A	18.244.164.110^{🇺🇸 Amazon18.244.164.0/23}
NS	`ns-813.awsdns-37.net` ⭐
		A	2600:9000:5303:2d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-813.awsdns-37.net`
		A	205.251.195.45^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-813.awsdns-37.net`
NS	`ns-1113.awsdns-11.org`
		A	2600:9000:5304:5900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1113.awsdns-11.org`
		A	205.251.196.89^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1113.awsdns-11.org`
NS	`ns-1811.awsdns-34.co.uk`
		A	2600:9000:5307:1300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1811.awsdns-34.co.uk`
		A	205.251.199.19^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1811.awsdns-34.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	`in1-smtp.messagingengine.com` ⭐
		A	103.168.172.216^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-01.messagingengine.com`
		A	103.168.172.217^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-02.messagingengine.com`
		A	103.168.172.218^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-03.messagingengine.com`
		A	103.168.172.219^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-04.messagingengine.com`
		A	103.168.172.220^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-05.messagingengine.com`
		A	103.168.172.221^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-06.messagingengine.com`
		A	103.168.172.222^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-07.messagingengine.com`
		A	103.168.172.223^{🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`phl-mx-08.messagingengine.com`
MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
		A	202.12.124.216^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-01.messagingengine.com`
		A	202.12.124.217^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-02.messagingengine.com`
		A	202.12.124.218^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-03.messagingengine.com`
		A	202.12.124.219^{FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street}
			PTR	`stl-mx-04.messagingengine.com`
TXT	`v=spf1 include:spf.messagingengine.com ?all`
SOA	`ns-813.awsdns-37.net`awsdns-hostmaster@amazon.com serial=1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-12 06:30:01 +0000 (EPOCH 1775975401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-12 #13

Same first word

defptr.nl

Similar names

tdfrep.com

tdperf.net

tdperf.com

pferdt.com

redftp.com

petfrd.com

pferdt.de

DNS History

34 records (10 active, 24 former)

●NSns-1113.awsdns-11.org2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

●NSns-1811.awsdns-34.co.uk2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

●NSns-438.awsdns-54.com2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

●NSns-813.awsdns-37.net2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

●MXin1-smtp.messagingengine.com2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

●MXin2-smtp.messagingengine.com2026-02-15 → 2026-04-12 · 2 obs

● 2026-02-15 17:00:22
● 2026-04-12 07:20:14

○A108.139.182.112026-03-28 → 2026-04-07 · 15 obs

○ 2026-03-28 14:08:06
● 2026-03-28 18:08:08
● 2026-03-30 08:40:02
○ 2026-04-01 07:57:58
○ 2026-04-05 05:05:06
● 2026-04-05 08:04:56
● 2026-04-05 20:55:58
○ 2026-04-05 22:20:42
○ 2026-04-06 00:26:16
● 2026-04-06 03:15:36
○ 2026-04-06 06:52:10
○ 2026-04-06 15:42:26
● 2026-04-07 05:26:08
○ 2026-04-07 10:10:18
○ 2026-04-12 07:20:14

○A108.139.182.1222026-03-28 → 2026-04-07 · 15 obs

○A108.139.182.382026-03-28 → 2026-04-07 · 15 obs

○A108.139.182.392026-03-28 → 2026-04-07 · 15 obs

○A13.33.67.102026-03-08 → 2026-03-08 · 7 obs

○ 2026-03-08 06:19:02
● 2026-03-08 10:47:12
● 2026-03-08 13:02:22
○ 2026-03-08 15:52:54
● 2026-03-08 16:23:16
○ 2026-03-08 19:59:58
○ 2026-04-12 07:20:14

○A13.33.67.1182026-03-08 → 2026-03-08 · 7 obs

○ 2026-03-08 06:19:02
● 2026-03-08 10:47:12
● 2026-03-08 13:02:22
○ 2026-03-08 15:52:54
● 2026-03-08 16:23:16
○ 2026-03-08 19:59:58
○ 2026-04-12 07:20:14

○A13.33.67.1262026-03-08 → 2026-03-08 · 7 obs

○ 2026-03-08 06:19:02
● 2026-03-08 10:47:12
● 2026-03-08 13:02:22
○ 2026-03-08 15:52:54
● 2026-03-08 16:23:16
○ 2026-03-08 19:59:58
○ 2026-04-12 07:20:14

○A13.33.67.342026-03-08 → 2026-03-08 · 7 obs

○ 2026-03-08 06:19:02
● 2026-03-08 10:47:12
● 2026-03-08 13:02:22
○ 2026-03-08 15:52:54
● 2026-03-08 16:23:16
○ 2026-03-08 19:59:58
○ 2026-04-12 07:20:14

○A18.165.25.142026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 21:53:06
● 2026-03-21 09:35:10
○ 2026-03-22 00:54:18
○ 2026-04-12 07:20:14

○A18.165.25.302026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 21:53:06
● 2026-03-21 09:35:10
○ 2026-03-22 00:54:18
○ 2026-04-12 07:20:14

○A18.165.25.392026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 21:53:06
● 2026-03-21 09:35:10
○ 2026-03-22 00:54:18
○ 2026-04-12 07:20:14

○A18.165.25.912026-03-21 → 2026-03-21 · 4 obs

○ 2026-03-20 21:53:06
● 2026-03-21 09:35:10
○ 2026-03-22 00:54:18
○ 2026-04-12 07:20:14

●A18.244.164.1102026-02-21 → 2026-04-12 · 96 obs

○ 2026-02-21 13:59:46
● 2026-02-21 22:35:46
● 2026-02-21 23:57:20
○ 2026-02-22 03:36:10
○ 2026-02-22 20:16:28
● 2026-02-22 22:39:02
○ 2026-02-23 03:36:08
○ 2026-03-01 18:20:12
● 2026-03-02 17:43:26
● 2026-03-02 22:41:50
○ 2026-03-03 01:54:48
○ 2026-03-03 21:35:40
● 2026-03-04 02:14:40
○ 2026-03-04 22:03:04
● 2026-03-05 09:44:36
● 2026-03-05 14:44:08
○ 2026-03-05 21:28:30
● 2026-03-05 23:52:24
○ 2026-03-06 17:38:20
● 2026-03-06 18:21:18
○ 2026-03-07 01:10:48
○ 2026-03-07 02:59:06
● 2026-03-07 04:11:18
○ 2026-03-08 03:43:16
● 2026-03-08 06:19:02
○ 2026-03-08 10:47:12
○ 2026-03-08 13:02:22
● 2026-03-08 15:52:54
○ 2026-03-08 16:23:16
○ 2026-03-08 21:22:10
● 2026-03-08 22:28:30
○ 2026-03-09 01:12:38
● 2026-03-09 03:16:08
○ 2026-03-09 14:21:30
○ 2026-03-09 19:08:32
● 2026-03-09 23:15:14
○ 2026-03-10 03:38:16
○ 2026-03-10 08:49:20
● 2026-03-11 08:53:52
○ 2026-03-12 03:38:32
○ 2026-03-12 10:58:02
● 2026-03-12 15:03:00
○ 2026-03-12 15:40:40
○ 2026-03-12 19:41:44
● 2026-03-12 20:45:54
○ 2026-03-12 23:11:30
● 2026-03-13 08:07:04
● 2026-03-13 21:43:40
○ 2026-03-14 00:12:32
○ 2026-03-14 09:24:32
● 2026-03-14 16:08:18
○ 2026-03-14 20:07:46
● 2026-03-15 03:18:40
○ 2026-03-15 04:04:16
○ 2026-03-15 22:35:58
● 2026-03-16 00:51:50
● 2026-03-16 01:45:28
○ 2026-03-16 06:36:02
● 2026-03-17 03:27:26
● 2026-03-17 07:38:48
○ 2026-03-17 08:36:24
○ 2026-03-17 23:53:16
● 2026-03-18 03:21:44
● 2026-03-19 23:10:00
○ 2026-03-20 00:14:10
○ 2026-03-20 02:08:14
● 2026-03-20 11:34:04
● 2026-03-20 21:53:06
○ 2026-03-21 09:35:10
○ 2026-03-22 00:54:18
● 2026-03-22 16:26:42
○ 2026-03-22 19:28:08
● 2026-03-22 22:25:50
● 2026-03-23 03:18:58
○ 2026-03-24 01:43:28
● 2026-03-24 03:47:48
● 2026-03-27 12:14:24
○ 2026-03-27 16:07:56
● 2026-03-28 01:00:44
○ 2026-03-28 14:08:06
○ 2026-04-01 07:57:58
● 2026-04-01 08:33:22
● 2026-04-04 09:49:40
○ 2026-04-05 04:19:00
● 2026-04-05 05:05:06
○ 2026-04-05 08:04:56
○ 2026-04-05 22:20:42
● 2026-04-05 23:45:06
● 2026-04-06 00:26:16
○ 2026-04-06 03:15:36
● 2026-04-06 06:52:10
● 2026-04-06 15:42:26
○ 2026-04-07 05:26:08
○ 2026-04-07 10:10:18
● 2026-04-08 01:56:04
● 2026-04-12 07:20:14

●A18.244.164.402026-02-21 → 2026-04-12 · 96 obs

●A18.244.164.92026-02-21 → 2026-04-12 · 96 obs

●A18.244.164.922026-02-21 → 2026-04-12 · 96 obs

○A18.64.155.1232026-04-01 → 2026-04-07 · 13 obs

○ 2026-03-30 08:40:02
● 2026-04-01 07:57:58
○ 2026-04-01 08:33:22
○ 2026-04-04 09:49:40
● 2026-04-05 04:19:00
○ 2026-04-05 05:05:06
○ 2026-04-05 20:55:58
● 2026-04-05 22:20:42
○ 2026-04-05 23:45:06
○ 2026-04-07 05:26:08
● 2026-04-07 10:10:18
○ 2026-04-08 01:56:04
○ 2026-04-12 07:20:14

○A18.64.155.22026-04-01 → 2026-04-07 · 13 obs

○A18.64.155.322026-04-01 → 2026-04-07 · 13 obs

○A18.64.155.712026-04-01 → 2026-04-07 · 13 obs

○A3.169.252.1022026-02-15 → 2026-03-17 · 62 obs

● 2026-02-15 17:00:22
○ 2026-02-21 13:59:46
○ 2026-02-21 23:57:20
● 2026-02-22 03:36:10
○ 2026-02-22 20:16:28
○ 2026-02-22 22:39:02
● 2026-02-23 03:36:08
○ 2026-02-23 17:48:44
● 2026-02-24 13:24:28
● 2026-02-25 16:35:16
○ 2026-02-26 13:00:12
● 2026-02-26 17:18:54
● 2026-02-28 00:15:56
○ 2026-02-28 05:59:06
○ 2026-02-28 13:52:34
● 2026-02-28 17:28:24
○ 2026-02-28 18:13:54
● 2026-03-01 18:20:12
○ 2026-03-02 17:43:26
○ 2026-03-03 01:54:48
● 2026-03-03 21:35:40
○ 2026-03-04 02:14:40
● 2026-03-04 22:03:04
○ 2026-03-05 09:44:36
○ 2026-03-05 23:52:24
● 2026-03-06 17:38:20
○ 2026-03-06 18:21:18
○ 2026-03-07 04:11:18
● 2026-03-08 03:43:16
○ 2026-03-08 06:19:02
○ 2026-03-08 22:28:30
● 2026-03-09 01:12:38
○ 2026-03-09 03:16:08
● 2026-03-09 14:21:30
○ 2026-03-09 17:24:24
○ 2026-03-09 23:15:14
● 2026-03-10 03:38:16
● 2026-03-10 08:49:20
○ 2026-03-11 08:53:52
● 2026-03-12 03:38:32
○ 2026-03-12 10:58:02
○ 2026-03-12 15:03:00
● 2026-03-12 15:40:40
● 2026-03-12 19:41:44
○ 2026-03-12 20:45:54
● 2026-03-12 23:11:30
○ 2026-03-13 08:07:04
○ 2026-03-14 00:12:32
● 2026-03-14 05:55:46
● 2026-03-14 09:24:32
○ 2026-03-14 16:08:18
○ 2026-03-15 04:43:48
● 2026-03-15 16:15:16
○ 2026-03-15 18:38:14
○ 2026-03-16 01:45:28
● 2026-03-16 06:36:02
○ 2026-03-17 03:27:26
○ 2026-03-17 07:38:48
● 2026-03-17 08:36:24
● 2026-03-17 17:01:36
○ 2026-03-17 23:53:16
○ 2026-04-12 07:20:14

○A3.169.252.722026-02-15 → 2026-03-17 · 62 obs

○A3.169.252.772026-02-15 → 2026-03-17 · 62 obs

○A3.169.252.812026-02-15 → 2026-03-17 · 62 obs

○A3.171.76.1092026-02-21 → 2026-03-28 · 72 obs

○ 2026-02-15 17:00:22
● 2026-02-21 13:59:46
○ 2026-02-21 22:35:46
○ 2026-02-22 03:36:10
● 2026-02-22 20:16:28
○ 2026-02-22 22:39:02
○ 2026-02-23 03:36:08
● 2026-02-23 17:48:44
○ 2026-02-24 13:24:28
○ 2026-02-25 16:35:16
● 2026-02-26 13:00:12
○ 2026-02-26 17:18:54
○ 2026-02-28 00:15:56
● 2026-02-28 05:59:06
● 2026-02-28 13:52:34
○ 2026-02-28 17:28:24
● 2026-02-28 18:13:54
○ 2026-03-01 18:20:12
○ 2026-03-02 22:41:50
● 2026-03-03 01:54:48
○ 2026-03-03 21:35:40
○ 2026-03-05 14:44:08
● 2026-03-05 21:28:30
○ 2026-03-05 23:52:24
○ 2026-03-06 18:21:18
● 2026-03-07 01:10:48
● 2026-03-07 02:59:06
○ 2026-03-07 04:11:18
○ 2026-03-08 16:23:16
● 2026-03-08 19:59:58
● 2026-03-08 21:22:10
○ 2026-03-08 22:28:30
○ 2026-03-09 14:21:30
● 2026-03-09 17:24:24
● 2026-03-09 19:08:32
○ 2026-03-09 23:15:14
○ 2026-03-12 03:38:32
● 2026-03-12 10:58:02
○ 2026-03-12 15:03:00
○ 2026-03-13 21:43:40
● 2026-03-14 00:12:32
○ 2026-03-14 05:55:46
○ 2026-03-14 16:08:18
● 2026-03-14 20:07:46
○ 2026-03-15 03:18:40
● 2026-03-15 04:04:16
● 2026-03-15 04:43:48
○ 2026-03-15 16:15:16
● 2026-03-15 18:38:14
● 2026-03-15 22:35:58
○ 2026-03-16 00:51:50
○ 2026-03-17 17:01:36
● 2026-03-17 23:53:16
○ 2026-03-18 03:21:44
○ 2026-03-19 23:10:00
● 2026-03-20 00:14:10
● 2026-03-20 02:08:14
○ 2026-03-20 11:34:04
○ 2026-03-21 09:35:10
● 2026-03-22 00:54:18
○ 2026-03-22 16:26:42
● 2026-03-22 19:28:08
○ 2026-03-22 22:25:50
○ 2026-03-23 03:18:58
● 2026-03-24 01:43:28
○ 2026-03-24 03:47:48
○ 2026-03-27 12:14:24
● 2026-03-27 16:07:56
○ 2026-03-28 01:00:44
● 2026-03-28 14:08:06
○ 2026-03-28 18:08:08
○ 2026-04-12 07:20:14

○A3.171.76.422026-02-21 → 2026-03-28 · 72 obs

○A3.171.76.712026-02-21 → 2026-03-28 · 72 obs

○A3.171.76.722026-02-21 → 2026-03-28 · 72 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns4.dns.nl, ns1.dns.nl	-
defptr.nl	ns-438.awsdns-54.com, ns-813.awsdns-37.net, ns-1113.awsdns-11.org, ns-1811.awsdns-34.co.uk	-

✅ Authoritative Response

Server:205.251.193.182

NS records: ns-438.awsdns-54.com, ns-813.awsdns-37.net, ns-1113.awsdns-11.org, ns-1811.awsdns-34.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for defptr.nl (unsigned zone)

⏱️ Timing

Total: 476ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.182.11, 108.139.182.39...`
NS	4	`ns-1113.awsdns-11.org, ns-1811.awsdns-34.co.uk...`
MX	2	`in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)`
TXT	1	`v=spf1 include:spf.messagingengine.com ?`
SOA	1	`ns-813.awsdns-37.net awsdns-hostmaster.a`

Analysis

IP Addresses

defptr.nl points to four IP numbers: 18.244.164.9, 18.244.164.40, 18.244.164.92 and 18.244.164.110.

Other host names including d1c7wyjm9766x6.cloudfront.net, d1ahfotbsa4xgg.cloudfront.net, www.danskmodnes.dk, d3nwpuimg5hjwy.cloudfront.net and plan24.co.kr share IP numbers with defptr.nl.

Name Servers

defptr.nl is delegated to four name servers: ns-438.awsdns-54.com, ns-813.awsdns-37.net, ns-1113.awsdns-11.org and ns-1811.awsdns-34.co.uk.

defptr.nl at least partially shares name servers with other domains, including nekom.it, elitmus.in, n-organic.com, greylog.cloud and vendomatica.cl.

these name servers are commonly used together with ns-260.awsdns-32.com, ns-635.awsdns-15.net and ns-1963.awsdns-53.co.uk.

Hosts with two IP numbers:

Host ns-438.awsdns-54.com points to 2600:9000:5301:b600::1 and 205.251.193.182

Host ns-813.awsdns-37.net points to 2600:9000:5303:2d00::1 and 205.251.195.45

Host ns-1113.awsdns-11.org points to 2600:9000:5304:5900::1 and 205.251.196.89

Host ns-1811.awsdns-34.co.uk points to 2600:9000:5307:1300::1 and 205.251.199.19

Mail Servers

defptr.nl is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

defptr.nl shares its mail server setup with other domains, including datomni.com, roskvistguld.se, artecno.biz, fosslib.net and peknet.com.

defptr.nl shares some mail servers with other domains, at least partially, for instance 1122700.com.

Host names with eight IP numbers

in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers

in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

defptr.nl - robtex.com

defptr.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`defptr.nl`

`nl`