mailflow.dev - dns.ninja

`mailflow.dev`

DNSSEC	⚠️ Not signed
A	3.164.6.5^{🇺🇸 Amazon3.164.4.0/22}
		PTR	`server-3-164-6-5.gru1.r.cloudfront.net`
A	3.164.6.11^{🇺🇸 Amazon3.164.4.0/22}
A	3.164.6.30^{🇺🇸 Amazon3.164.4.0/22}
A	3.164.6.119^{🇺🇸 Amazon3.164.4.0/22}
NS	`ns-818.awsdns-38.net` ⭐
		A	2600:9000:5303:3200::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-818.awsdns-38.net`
		A	205.251.195.50^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-818.awsdns-38.net`
NS	`ns-1526.awsdns-62.org`
		A	2600:9000:5305:f600::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1526.awsdns-62.org`
		A	205.251.197.246^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1526.awsdns-62.org`
NS	`ns-1539.awsdns-00.co.uk`
		A	2600:9000:5306:300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1539.awsdns-00.co.uk`
		A	205.251.198.3^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1539.awsdns-00.co.uk`
NS	`ns-258.awsdns-32.com`
		A	2600:9000:5301:200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-258.awsdns-32.com`
		A	205.251.193.2^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-258.awsdns-32.com`
TXT	`google-site-verification=8MIA5SdLcLZFBXyqaLxPJrTG8TG3ukq7YY78RPiyB0g`
SOA	`ns-818.awsdns-38.net`awsdns-hostmaster@amazon.com serial=1

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

www.mailflow.dev

Same first word

mailflow.dev

mailflow.tools

mailflow.cz

mailflow.co

mailflow.ddns.net

mailflow.digital

mailflow.com.au

mailflow.co.uk

mailflow.us

mailflow.co.za

mailflow.cfd

mailflow.com

mailflow.ru

mailflow.be

mailflow.no

mailflow.de

mailflow.it

mailflow.net

Similar names

wolfmail.fr

mailwolf.net

mailwolf.com

flowmail.us

wolfmail.org

wolfmail.net

wolfmail.com.au

flowmail.pl

fowlmail.com

wolfmail.ch

flowmail.de

flowmail.com

wolfmail.nl

willofam.com

flowmail.cc

flowmail.net

lamiflow.com

wolfmail.com

limaflow.com

wolfmail.de

mailwolf.de

DNS History

60 records (8 active, 52 former)

●NSns-1526.awsdns-62.org2026-02-16 → 2026-06-04 · 2 obs

● 2026-02-16 05:43:36
● 2026-06-04 09:52:24

●NSns-1539.awsdns-00.co.uk2026-02-16 → 2026-06-04 · 2 obs

● 2026-02-16 05:43:36
● 2026-06-04 09:52:24

●NSns-258.awsdns-32.com2026-02-16 → 2026-06-04 · 2 obs

● 2026-02-16 05:43:36
● 2026-06-04 09:52:24

●NSns-818.awsdns-38.net2026-02-16 → 2026-06-04 · 2 obs

● 2026-02-16 05:43:36
● 2026-06-04 09:52:24

○A108.139.119.1032026-04-08 → 2026-04-18 · 21 obs

○ 2026-04-08 00:12:18
● 2026-04-08 01:22:42
○ 2026-04-08 13:07:54
○ 2026-04-08 19:21:10
● 2026-04-09 23:01:08
○ 2026-04-10 03:52:54
● 2026-04-10 10:22:20
○ 2026-04-11 03:13:50
○ 2026-04-12 15:29:46
● 2026-04-12 21:51:26
○ 2026-04-13 01:06:32
○ 2026-04-14 05:28:04
● 2026-04-14 13:14:00
○ 2026-04-14 21:03:24
● 2026-04-14 23:54:46
● 2026-04-15 17:45:30
○ 2026-04-15 20:34:24
● 2026-04-15 21:11:42
● 2026-04-18 06:57:28
○ 2026-04-18 11:00:50
○ 2026-06-04 09:52:24

○A108.139.119.1092026-04-08 → 2026-04-18 · 21 obs

○A108.139.119.22026-04-08 → 2026-04-18 · 21 obs

○A108.139.119.852026-04-08 → 2026-04-18 · 21 obs

○A13.227.107.1072026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-31 09:38:38
● 2026-03-31 10:34:20
○ 2026-03-31 17:34:26
○ 2026-06-04 09:52:24

○A13.227.107.242026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-31 09:38:38
● 2026-03-31 10:34:20
○ 2026-03-31 17:34:26
○ 2026-06-04 09:52:24

○A13.227.107.292026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-31 09:38:38
● 2026-03-31 10:34:20
○ 2026-03-31 17:34:26
○ 2026-06-04 09:52:24

○A13.227.107.612026-03-31 → 2026-03-31 · 4 obs

○ 2026-03-31 09:38:38
● 2026-03-31 10:34:20
○ 2026-03-31 17:34:26
○ 2026-06-04 09:52:24

○A13.33.82.1002026-04-28 → 2026-05-09 · 22 obs

○ 2026-04-26 04:50:26
● 2026-04-28 15:57:08
○ 2026-04-29 03:08:24
○ 2026-04-29 14:38:50
● 2026-04-29 19:43:22
○ 2026-04-29 21:41:36
○ 2026-04-30 08:52:00
● 2026-04-30 13:52:18
○ 2026-04-30 14:46:06
○ 2026-05-01 07:07:22
● 2026-05-01 15:41:30
○ 2026-05-01 22:05:52
○ 2026-05-04 17:28:30
● 2026-05-04 19:30:24
○ 2026-05-05 15:31:52
○ 2026-05-07 05:40:08
● 2026-05-07 06:25:14
○ 2026-05-07 06:56:54
○ 2026-05-08 17:54:28
● 2026-05-09 05:00:12
○ 2026-05-09 11:13:22
○ 2026-06-04 09:52:24

○A13.33.82.22026-04-28 → 2026-05-09 · 22 obs

○A13.33.82.232026-04-28 → 2026-05-09 · 22 obs

○A13.33.82.732026-04-28 → 2026-05-09 · 22 obs

○A18.161.34.102026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 06:01:32
● 2026-05-11 06:46:44
○ 2026-05-11 09:38:52
○ 2026-06-04 09:52:24

○A18.161.34.302026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 06:01:32
● 2026-05-11 06:46:44
○ 2026-05-11 09:38:52
○ 2026-06-04 09:52:24

○A18.161.34.742026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 06:01:32
● 2026-05-11 06:46:44
○ 2026-05-11 09:38:52
○ 2026-06-04 09:52:24

○A18.161.34.752026-05-11 → 2026-05-11 · 4 obs

○ 2026-05-11 06:01:32
● 2026-05-11 06:46:44
○ 2026-05-11 09:38:52
○ 2026-06-04 09:52:24

○A18.244.179.1022026-02-16 → 2026-05-19 · 121 obs

● 2026-02-16 05:43:36
○ 2026-02-17 13:07:36
● 2026-02-17 14:45:48
● 2026-02-19 23:37:30
○ 2026-02-20 03:06:36
○ 2026-02-22 07:55:32
● 2026-02-22 20:39:18
● 2026-02-23 19:20:06
○ 2026-02-24 15:10:00
● 2026-02-24 21:00:00
● 2026-02-25 16:36:36
○ 2026-02-26 03:16:10
○ 2026-02-26 09:36:44
● 2026-02-28 15:35:50
○ 2026-02-28 23:01:22
● 2026-03-01 20:24:06
● 2026-03-02 22:03:12
○ 2026-03-05 14:47:04
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● 2026-03-06 03:11:44
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● 2026-03-07 06:18:02
● 2026-03-11 23:06:08
○ 2026-03-14 00:21:56
● 2026-03-14 07:34:00
○ 2026-03-14 18:36:00
○ 2026-03-14 21:19:56
● 2026-03-15 03:10:14
● 2026-03-16 01:51:38
○ 2026-03-16 12:16:38
● 2026-03-16 16:35:34
● 2026-03-17 02:50:30
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● 2026-03-17 11:25:50
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● 2026-03-20 03:02:40
○ 2026-03-24 09:39:28
● 2026-03-25 01:41:08
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● 2026-03-26 03:27:48
○ 2026-03-26 11:40:02
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● 2026-03-27 00:30:38
● 2026-03-27 01:33:48
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● 2026-03-27 22:55:16
○ 2026-03-28 03:10:20
● 2026-03-28 04:26:16
○ 2026-03-28 08:42:02
○ 2026-04-01 15:48:10
● 2026-04-02 08:23:18
● 2026-04-06 10:40:54
○ 2026-04-07 02:32:50
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● 2026-04-07 13:44:08
● 2026-04-07 14:22:44
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● 2026-04-08 00:12:18
○ 2026-04-08 01:22:42
● 2026-04-08 13:07:54
● 2026-04-08 19:21:10
○ 2026-04-09 23:01:08
○ 2026-04-10 10:22:20
● 2026-04-11 03:13:50
● 2026-04-12 15:29:46
○ 2026-04-12 21:51:26
● 2026-04-13 01:06:32
○ 2026-04-13 04:44:28
● 2026-04-13 21:08:00
● 2026-04-14 05:28:04
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● 2026-04-14 21:03:24
○ 2026-04-14 23:54:46
○ 2026-04-15 17:45:30
● 2026-04-15 20:34:24
○ 2026-04-15 21:11:42
○ 2026-04-18 06:57:28
● 2026-04-18 11:00:50
○ 2026-04-19 06:47:42
● 2026-04-19 20:52:48
● 2026-04-24 07:32:38
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● 2026-04-26 04:50:26
○ 2026-04-28 15:57:08
○ 2026-04-29 19:43:22
● 2026-04-29 21:41:36
● 2026-04-30 07:09:34
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○ 2026-04-30 13:52:18
● 2026-04-30 14:46:06
● 2026-05-01 07:07:22
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● 2026-05-01 22:05:52
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○ 2026-05-04 17:28:30
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● 2026-05-05 16:21:40
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○ 2026-05-11 06:01:32
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● 2026-05-11 09:38:52
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○ 2026-05-12 03:13:26
○ 2026-05-12 10:33:04
● 2026-05-12 11:09:06
○ 2026-05-13 17:14:26
● 2026-05-14 01:16:56
● 2026-05-19 05:26:24
○ 2026-05-19 09:22:18
○ 2026-06-04 09:52:24

○A18.244.179.422026-02-16 → 2026-05-19 · 121 obs

○A18.244.179.602026-02-16 → 2026-05-19 · 121 obs

○A18.244.179.692026-02-16 → 2026-05-19 · 121 obs

○A3.164.206.1292026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 14:31:34
● 2026-03-25 23:58:18
○ 2026-03-26 03:27:48
○ 2026-06-04 09:52:24

○A3.164.206.32026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 14:31:34
● 2026-03-25 23:58:18
○ 2026-03-26 03:27:48
○ 2026-06-04 09:52:24

○A3.164.206.782026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 14:31:34
● 2026-03-25 23:58:18
○ 2026-03-26 03:27:48
○ 2026-06-04 09:52:24

○A3.164.206.932026-03-25 → 2026-03-25 · 4 obs

○ 2026-03-25 14:31:34
● 2026-03-25 23:58:18
○ 2026-03-26 03:27:48
○ 2026-06-04 09:52:24

●A3.164.6.112026-03-28 → 2026-06-04 · 62 obs

○ 2026-03-28 08:42:02
● 2026-03-28 12:27:42
● 2026-03-29 13:02:12
○ 2026-03-29 20:48:52
● 2026-03-29 21:30:44
● 2026-03-30 15:40:30
○ 2026-03-31 06:27:38
○ 2026-03-31 17:34:26
● 2026-03-31 23:09:58
● 2026-04-01 07:09:46
○ 2026-04-01 15:48:10
○ 2026-04-06 10:40:54
● 2026-04-07 02:32:50
○ 2026-04-07 06:04:20
○ 2026-04-07 14:22:44
● 2026-04-07 17:26:36
○ 2026-04-08 00:12:18
○ 2026-04-09 23:01:08
● 2026-04-10 03:52:54
○ 2026-04-10 10:22:20
○ 2026-04-13 01:06:32
● 2026-04-13 04:44:28
○ 2026-04-13 21:08:00
○ 2026-04-24 07:32:38
● 2026-04-24 16:09:00
● 2026-04-25 18:02:34
○ 2026-04-26 04:50:26
○ 2026-04-28 15:57:08
● 2026-04-29 03:08:24
● 2026-04-29 14:38:50
○ 2026-04-29 19:43:22
○ 2026-04-30 07:09:34
● 2026-04-30 08:52:00
○ 2026-04-30 13:52:18
○ 2026-05-04 07:59:12
● 2026-05-04 17:28:30
○ 2026-05-04 19:30:24
● 2026-05-05 15:31:52
○ 2026-05-05 16:21:40
○ 2026-05-08 09:19:12
● 2026-05-08 09:50:36
● 2026-05-08 17:54:28
○ 2026-05-09 05:00:12
● 2026-05-09 11:13:22
○ 2026-05-09 17:47:40
○ 2026-05-11 20:23:00
● 2026-05-12 03:13:26
● 2026-05-12 10:33:04
○ 2026-05-12 11:09:06
○ 2026-05-21 02:08:00
● 2026-05-21 22:28:14
○ 2026-05-22 00:11:54
○ 2026-05-25 23:16:38
● 2026-05-29 19:03:58
● 2026-05-30 02:48:40
○ 2026-05-30 21:45:58
● 2026-05-31 21:41:06
● 2026-06-03 19:12:04
○ 2026-06-03 22:26:22
○ 2026-06-04 07:56:12
● 2026-06-04 09:52:22
● 2026-06-04 09:52:24

●A3.164.6.1192026-03-28 → 2026-06-04 · 62 obs

●A3.164.6.302026-03-28 → 2026-06-04 · 62 obs

●A3.164.6.52026-03-28 → 2026-06-04 · 62 obs

○A3.170.185.1202026-05-19 → 2026-06-04 · 15 obs

○ 2026-05-19 05:26:24
● 2026-05-19 09:22:18
● 2026-05-21 02:08:00
○ 2026-05-21 22:28:14
● 2026-05-22 00:11:54
● 2026-05-25 23:16:38
○ 2026-05-29 19:03:58
○ 2026-05-30 02:48:40
● 2026-05-30 21:45:58
○ 2026-05-31 21:41:06
○ 2026-06-03 19:12:04
● 2026-06-03 22:26:22
● 2026-06-04 07:56:12
○ 2026-06-04 09:52:22
○ 2026-06-04 09:52:24

○A3.170.185.282026-05-19 → 2026-06-04 · 15 obs

○A3.170.185.552026-05-19 → 2026-06-04 · 15 obs

○A3.170.185.642026-05-19 → 2026-06-04 · 15 obs

○A3.170.42.322026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 11:00:50
● 2026-04-19 06:47:42
○ 2026-04-19 20:52:48
○ 2026-06-04 09:52:24

○A3.170.42.602026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 11:00:50
● 2026-04-19 06:47:42
○ 2026-04-19 20:52:48
○ 2026-06-04 09:52:24

○A3.170.42.662026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 11:00:50
● 2026-04-19 06:47:42
○ 2026-04-19 20:52:48
○ 2026-06-04 09:52:24

○A3.170.42.752026-04-19 → 2026-04-19 · 4 obs

○ 2026-04-18 11:00:50
● 2026-04-19 06:47:42
○ 2026-04-19 20:52:48
○ 2026-06-04 09:52:24

○A3.174.113.1002026-03-24 → 2026-03-26 · 9 obs

○ 2026-03-20 03:02:40
● 2026-03-24 09:39:28
○ 2026-03-25 01:41:08
● 2026-03-25 14:31:34
○ 2026-03-25 23:58:18
○ 2026-03-26 03:27:48
● 2026-03-26 11:40:02
○ 2026-03-26 15:25:00
○ 2026-06-04 09:52:24

○A3.174.113.42026-03-24 → 2026-03-26 · 9 obs

○A3.174.113.442026-03-24 → 2026-03-26 · 9 obs

○A3.174.113.622026-03-24 → 2026-03-26 · 9 obs

○A3.174.59.1032026-05-07 → 2026-05-13 · 13 obs

○ 2026-05-06 22:39:02
● 2026-05-07 05:40:08
○ 2026-05-07 06:25:14
○ 2026-05-09 11:13:22
● 2026-05-09 17:47:40
○ 2026-05-09 18:17:46
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● 2026-05-11 06:01:32
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○ 2026-05-12 11:09:06
● 2026-05-13 17:14:26
○ 2026-05-14 01:16:56
○ 2026-06-04 09:52:24

○A3.174.59.222026-05-07 → 2026-05-13 · 13 obs

○A3.174.59.242026-05-07 → 2026-05-13 · 13 obs

○A3.174.59.382026-05-07 → 2026-05-13 · 13 obs

○A52.85.193.1212026-02-17 → 2026-03-29 · 44 obs

○ 2026-02-16 05:43:36
● 2026-02-17 13:07:36
○ 2026-02-17 14:45:48
○ 2026-02-20 17:09:40
● 2026-02-21 15:23:42
● 2026-02-22 07:55:32
○ 2026-02-22 20:39:18
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● 2026-02-26 03:16:10
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● 2026-02-28 23:01:22
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● 2026-03-06 00:15:00
○ 2026-03-06 03:11:44
● 2026-03-07 03:20:34
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● 2026-03-14 00:21:56
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● 2026-03-14 21:19:56
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● 2026-03-16 12:16:38
○ 2026-03-16 16:35:34
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● 2026-03-17 05:48:44
● 2026-03-17 07:47:56
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● 2026-03-20 02:16:50
○ 2026-03-20 03:02:40
○ 2026-03-27 01:33:48
● 2026-03-27 21:40:00
○ 2026-03-27 22:55:16
● 2026-03-28 03:10:20
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● 2026-03-28 08:42:02
○ 2026-03-28 12:27:42
○ 2026-03-29 13:02:12
● 2026-03-29 20:48:52
○ 2026-03-29 21:30:44
○ 2026-06-04 09:52:24

○A52.85.193.1252026-02-17 → 2026-03-29 · 44 obs

○A52.85.193.372026-02-17 → 2026-03-29 · 44 obs

○A52.85.193.52026-02-17 → 2026-03-29 · 44 obs

○A54.230.79.1002026-03-31 → 2026-04-07 · 14 obs

○ 2026-03-30 15:40:30
● 2026-03-31 06:27:38
● 2026-03-31 09:38:38
○ 2026-03-31 10:34:20
● 2026-03-31 17:34:26
○ 2026-03-31 23:09:58
○ 2026-04-01 07:09:46
● 2026-04-01 15:48:10
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○ 2026-04-07 02:32:50
● 2026-04-07 06:04:20
● 2026-04-07 12:40:58
○ 2026-04-07 13:44:08
○ 2026-06-04 09:52:24

○A54.230.79.702026-03-31 → 2026-04-07 · 14 obs

○A54.230.79.852026-03-31 → 2026-04-07 · 14 obs

○A54.230.79.892026-03-31 → 2026-04-07 · 14 obs

○A99.84.215.1052026-02-20 → 2026-03-26 · 22 obs

○ 2026-02-16 05:43:36
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● 2026-02-20 03:06:36
● 2026-02-20 17:09:40
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○ 2026-02-28 15:35:50
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○ 2026-03-26 11:40:02
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○ 2026-03-27 00:30:38
○ 2026-06-04 09:52:24

○A99.84.215.322026-02-20 → 2026-03-26 · 22 obs

○A99.84.215.652026-02-20 → 2026-03-26 · 22 obs

○A99.84.215.902026-02-20 → 2026-03-26 · 22 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
mailflow.dev	ns-1539.awsdns-00.co.uk, ns-1526.awsdns-62.org, ns-258.awsdns-32.com, ns-818.awsdns-38.net	-

✅ Authoritative Response

Server:205.251.198.3

NS records: ns-1539.awsdns-00.co.uk, ns-1526.awsdns-62.org, ns-258.awsdns-32.com, ns-818.awsdns-38.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mailflow.dev (unsigned zone)

⏱️ Timing

Total: 1942ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.164.6.119, 3.164.6.5...`
NS	4	`ns-1526.awsdns-62.org, ns-1539.awsdns-00.co.uk...`
TXT	1	`google-site-verification=8MIA5SdLcLZFBXy`
SOA	1	`ns-818.awsdns-38.net awsdns-hostmaster.a`

Analysis

Hierarchy

www.mailflow.dev is delegated beneath mailflow.dev.

IP Addresses

With 4 IP addresses, mailflow.dev directs to 3.164.6.5, 3.164.6.11, 3.164.6.30 and 3.164.6.119.

Among the host names that share IP numbers with mailflow.dev are euroal.net, beisia.jp, www.fieroshop.com.au and two others.

Name Servers

Authority for mailflow.dev is delegated across 4 name servers: ns-258.awsdns-32.com, ns-818.awsdns-38.net, ns-1526.awsdns-62.org and ns-1539.awsdns-00.co.uk.

There is at least partial name server overlap between mailflow.dev and other domains — covalentgov.com, frolova.com, staging.fino.lk and two more among them.

All four hostnames — ns-258.awsdns-32.com, ns-818.awsdns-38.net, ns-1526.awsdns-62.org and ns-1539.awsdns-00.co.uk — resolve to two IP numbers apiece: ns-258.awsdns-32.com to 205.251.193.2 and 2600:9000:5301:200::1; ns-818.awsdns-38.net to 205.251.195.50 and 2600:9000:5303:3200::1; ns-1526.awsdns-62.org to 205.251.197.246 and 2600:9000:5305:f600::1; ns-1539.awsdns-00.co.uk to 205.251.198.3 and 2600:9000:5306:300::1.