zoo.dev - dns.ninja

zoo.dev

DNSSEC⚠️ Not signed
A216.150.1.1🇨🇦 Amazon216.150.1.0/24 EC2 Prefix
NSapril.ns.cloudflare.com
A2606:4700:50::adf5:3a42🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapril.ns.cloudflare.com
A2803:f800:50::6ca2:c042🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRapril.ns.cloudflare.com
A2a06:98c1:50::ac40:2042🇺🇸 Cloudflare2a06:98c1:50::/45
PTRapril.ns.cloudflare.com
A108.162.192.66🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapril.ns.cloudflare.com
A172.64.32.66🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapril.ns.cloudflare.com
A173.245.58.66🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRapril.ns.cloudflare.com
NSjake.ns.cloudflare.com
A2606:4700:58::adf5:3b7a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A2803:f800:50::6ca2:c17a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjake.ns.cloudflare.com
A2a06:98c1:50::ac40:217a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjake.ns.cloudflare.com
A108.162.193.122🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A172.64.33.122🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
A173.245.59.122🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjake.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXT1password-site-verification=4Z2DZHVOL5FCDG3OPOXMM54OSQ
TXTMS=ms65888206
TXTTAILSCALE-DxPLxWb5zwJeKrzEkd7n
TXTZOOM_verify_DbZGWJFMwIVWhXMnAB0PU9
TXTcloudflare_dashboard_sso=11ae00138e84adc971f65e80f5fefb87
TXTgoogle-site-verification=rpuTaOUeiRvcP2uC25u3rUwz2jCUxwbLFmKiHx3_ECs
TXThubspot-domain-verification=NTllMTJlZmEtNzk3OC00ZjM4LTgyYjktZTcwNjlkMzc2MmI2
TXTopenai-domain-verification=dv-kGQGN8Som222YGpDOuKNbfGp
TXTrippling-domain-verification=54044b17c3ce4402
TXTstripe-verification=258C3A5283202DA0E098FC5508D28F3A6306F826A167A0BA3FF00998C...
TXTv=spf1 include:_spf.google.com include:servers.mcsv.net include:mg-spf.greenh...
SOAapril.ns.cloudflare.comdns@cloudflare.com serial=2408184800

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
rank #312509 globally
rank #250 in the tld
📈 Tranco rank: #340,835
🔒 HSTS Preload (+subdomains)

Subdomains

Same first word

Similar names

DNS History

26 records (8 active, 18 former)

2017201820192020202120222023202420252026NSapril.ns.cloudflare.comjake.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comyour-dns-needs-immediate-attention.devA216.150.1.1127.0.53.5366.33.60.12966.33.60.13066.33.60.19366.33.60.19466.33.60.3466.33.60.3566.33.60.6666.33.60.6776.76.21.12376.76.21.14276.76.21.16476.76.21.2276.76.21.24176.76.21.6176.76.21.9376.76.21.98
NSapril.ns.cloudflare.com2026-02-16 → 2026-06-29 · 2 obs
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
NSjake.ns.cloudflare.com2026-02-16 → 2026-06-29 · 2 obs
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXalt1.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXalt2.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXalt3.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXalt4.aspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXaspmx.l.google.com2026-02-16 → 2026-06-29 · 3 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
● 2026-06-29 09:20:34
MXyour-dns-needs-immediate-attention.dev2016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 14:35:18
○ 2026-02-16 23:09:28
○ 2026-06-29 09:20:34
A127.0.53.532016-12-17 → 2016-12-17 · 3 obs
● 2016-12-17 14:35:18
○ 2026-02-16 23:09:28
○ 2026-06-29 09:20:34
A216.150.1.12026-04-13 → 2026-06-29 · 3 obs
○ 2026-04-01 04:53:00
● 2026-04-13 21:35:52
● 2026-06-29 09:20:34
A66.33.60.1292026-02-22 → 2026-03-30 · 29 obs
○ 2026-02-22 14:49:04
● 2026-02-22 20:51:12
○ 2026-02-22 23:27:14
○ 2026-02-23 09:52:56
● 2026-02-23 15:12:36
○ 2026-02-23 20:35:22
○ 2026-02-24 23:29:10
● 2026-02-25 01:49:14
○ 2026-02-25 03:00:18
○ 2026-02-28 14:53:50
● 2026-03-01 03:42:04
● 2026-03-01 07:36:16
○ 2026-03-01 12:36:52
○ 2026-03-02 08:50:06
● 2026-03-02 09:36:04
○ 2026-03-02 11:43:08
○ 2026-03-03 10:39:52
● 2026-03-04 03:30:08
○ 2026-03-04 04:16:04
○ 2026-03-05 23:38:22
● 2026-03-06 14:58:16
○ 2026-03-06 21:24:30
○ 2026-03-15 19:41:48
● 2026-03-27 22:30:34
○ 2026-03-28 08:46:18
○ 2026-03-29 22:33:20
● 2026-03-30 11:03:50
○ 2026-03-31 12:06:40
○ 2026-06-29 09:20:34
A66.33.60.1302026-02-16 → 2026-03-02 · 16 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
○ 2026-02-19 08:13:36
○ 2026-02-20 01:23:28
● 2026-02-20 02:48:38
○ 2026-02-20 03:46:02
○ 2026-02-22 05:16:14
● 2026-02-22 14:49:04
○ 2026-02-22 20:51:12
○ 2026-02-24 04:48:14
● 2026-02-24 13:04:24
○ 2026-02-24 23:29:10
○ 2026-03-02 15:30:56
● 2026-03-02 22:07:50
○ 2026-03-03 01:54:02
○ 2026-06-29 09:20:34
A66.33.60.1932026-02-20 → 2026-03-29 · 16 obs
○ 2026-02-20 03:46:02
● 2026-02-20 09:08:20
○ 2026-02-20 19:50:22
○ 2026-02-22 02:51:04
● 2026-02-22 05:16:14
○ 2026-02-22 14:49:04
○ 2026-03-02 11:43:08
● 2026-03-02 15:30:56
○ 2026-03-02 22:07:50
○ 2026-03-06 21:24:30
● 2026-03-15 19:41:48
○ 2026-03-27 22:30:34
○ 2026-03-29 17:55:48
● 2026-03-29 22:33:20
○ 2026-03-30 11:03:50
○ 2026-06-29 09:20:34
A66.33.60.1942026-02-19 → 2026-03-05 · 23 obs
○ 2026-02-16 23:09:28
● 2026-02-19 08:13:36
● 2026-02-20 01:23:28
○ 2026-02-20 02:48:38
● 2026-02-20 03:46:02
○ 2026-02-20 09:08:20
● 2026-02-20 19:50:22
○ 2026-02-21 02:42:50
○ 2026-02-22 20:51:12
● 2026-02-22 23:27:14
● 2026-02-23 09:52:56
○ 2026-02-23 15:12:36
○ 2026-02-27 09:21:52
● 2026-02-27 21:00:52
● 2026-02-28 09:13:02
○ 2026-02-28 14:53:50
○ 2026-03-01 07:36:16
● 2026-03-01 12:36:52
○ 2026-03-01 14:22:34
○ 2026-03-04 04:16:04
● 2026-03-05 13:59:16
○ 2026-03-05 23:38:22
○ 2026-06-29 09:20:34
A66.33.60.342026-02-24 → 2026-04-01 · 17 obs
○ 2026-02-24 02:46:40
● 2026-02-24 03:45:52
○ 2026-02-24 04:48:14
○ 2026-02-26 02:39:24
● 2026-02-26 14:47:12
● 2026-02-27 09:21:52
○ 2026-02-27 21:00:52
○ 2026-03-03 03:59:08
● 2026-03-03 05:28:44
○ 2026-03-03 10:39:52
○ 2026-03-06 14:58:16
● 2026-03-06 21:24:30
○ 2026-03-15 19:41:48
○ 2026-03-31 12:06:40
● 2026-04-01 04:53:00
○ 2026-04-13 21:35:52
○ 2026-06-29 09:20:34
A66.33.60.352026-02-23 → 2026-03-31 · 21 obs
○ 2026-02-23 15:12:36
● 2026-02-23 20:35:22
● 2026-02-23 21:23:56
○ 2026-02-24 02:46:40
○ 2026-02-24 13:04:24
● 2026-02-24 23:29:10
○ 2026-02-25 01:49:14
○ 2026-03-01 12:36:52
● 2026-03-01 14:22:34
○ 2026-03-02 08:50:06
○ 2026-03-03 05:28:44
● 2026-03-03 10:39:52
○ 2026-03-04 03:30:08
● 2026-03-04 04:16:04
○ 2026-03-05 13:59:16
● 2026-03-05 23:38:22
○ 2026-03-06 14:58:16
○ 2026-03-30 11:03:50
● 2026-03-31 12:06:40
○ 2026-04-01 04:53:00
○ 2026-06-29 09:20:34
A66.33.60.662026-02-21 → 2026-03-03 · 19 obs
○ 2026-02-16 23:09:28
○ 2026-02-20 19:50:22
● 2026-02-21 02:42:50
○ 2026-02-21 16:05:28
● 2026-02-22 02:51:04
○ 2026-02-22 05:16:14
○ 2026-02-24 03:45:52
● 2026-02-24 04:48:14
○ 2026-02-24 13:04:24
○ 2026-02-28 09:13:02
● 2026-02-28 14:53:50
○ 2026-03-01 03:42:04
○ 2026-03-02 09:36:04
● 2026-03-02 11:43:08
○ 2026-03-02 15:30:56
○ 2026-03-03 02:43:58
● 2026-03-03 03:59:08
○ 2026-03-03 05:28:44
○ 2026-06-29 09:20:34
A66.33.60.672026-02-21 → 2026-03-29 · 22 obs
○ 2026-02-21 02:42:50
● 2026-02-21 16:05:28
○ 2026-02-22 02:51:04
○ 2026-02-23 21:23:56
● 2026-02-24 02:46:40
○ 2026-02-24 03:45:52
○ 2026-02-25 01:49:14
● 2026-02-25 03:00:18
● 2026-02-26 02:39:24
○ 2026-02-26 14:47:12
○ 2026-03-01 14:22:34
● 2026-03-02 08:50:06
○ 2026-03-02 09:36:04
○ 2026-03-02 22:07:50
● 2026-03-03 01:54:02
● 2026-03-03 02:43:58
○ 2026-03-03 03:59:08
○ 2026-03-27 22:30:34
● 2026-03-28 08:46:18
● 2026-03-29 17:55:48
○ 2026-03-29 22:33:20
○ 2026-06-29 09:20:34
A76.76.21.1232026-02-23 → 2026-03-31 · 21 obs
○ 2026-02-23 15:12:36
● 2026-02-23 20:35:22
● 2026-02-23 21:23:56
○ 2026-02-24 02:46:40
○ 2026-02-24 13:04:24
● 2026-02-24 23:29:10
○ 2026-02-25 01:49:14
○ 2026-03-01 12:36:52
● 2026-03-01 14:22:34
○ 2026-03-02 08:50:06
○ 2026-03-03 05:28:44
● 2026-03-03 10:39:52
○ 2026-03-04 03:30:08
● 2026-03-04 04:16:04
○ 2026-03-05 13:59:16
● 2026-03-05 23:38:22
○ 2026-03-06 14:58:16
○ 2026-03-30 11:03:50
● 2026-03-31 12:06:40
○ 2026-04-01 04:53:00
○ 2026-06-29 09:20:34
A76.76.21.1422026-02-21 → 2026-03-03 · 19 obs
○ 2026-02-16 23:09:28
○ 2026-02-20 19:50:22
● 2026-02-21 02:42:50
○ 2026-02-21 16:05:28
● 2026-02-22 02:51:04
○ 2026-02-22 05:16:14
○ 2026-02-24 03:45:52
● 2026-02-24 04:48:14
○ 2026-02-24 13:04:24
○ 2026-02-28 09:13:02
● 2026-02-28 14:53:50
○ 2026-03-01 03:42:04
○ 2026-03-02 09:36:04
● 2026-03-02 11:43:08
○ 2026-03-02 15:30:56
○ 2026-03-03 02:43:58
● 2026-03-03 03:59:08
○ 2026-03-03 05:28:44
○ 2026-06-29 09:20:34
A76.76.21.1642026-02-24 → 2026-04-01 · 17 obs
○ 2026-02-24 02:46:40
● 2026-02-24 03:45:52
○ 2026-02-24 04:48:14
○ 2026-02-26 02:39:24
● 2026-02-26 14:47:12
● 2026-02-27 09:21:52
○ 2026-02-27 21:00:52
○ 2026-03-03 03:59:08
● 2026-03-03 05:28:44
○ 2026-03-03 10:39:52
○ 2026-03-06 14:58:16
● 2026-03-06 21:24:30
○ 2026-03-15 19:41:48
○ 2026-03-31 12:06:40
● 2026-04-01 04:53:00
○ 2026-04-13 21:35:52
○ 2026-06-29 09:20:34
A76.76.21.222026-02-22 → 2026-03-30 · 29 obs
○ 2026-02-22 14:49:04
● 2026-02-22 20:51:12
○ 2026-02-22 23:27:14
○ 2026-02-23 09:52:56
● 2026-02-23 15:12:36
○ 2026-02-23 20:35:22
○ 2026-02-24 23:29:10
● 2026-02-25 01:49:14
○ 2026-02-25 03:00:18
○ 2026-02-28 14:53:50
● 2026-03-01 03:42:04
● 2026-03-01 07:36:16
○ 2026-03-01 12:36:52
○ 2026-03-02 08:50:06
● 2026-03-02 09:36:04
○ 2026-03-02 11:43:08
○ 2026-03-03 10:39:52
● 2026-03-04 03:30:08
○ 2026-03-04 04:16:04
○ 2026-03-05 23:38:22
● 2026-03-06 14:58:16
○ 2026-03-06 21:24:30
○ 2026-03-15 19:41:48
● 2026-03-27 22:30:34
○ 2026-03-28 08:46:18
○ 2026-03-29 22:33:20
● 2026-03-30 11:03:50
○ 2026-03-31 12:06:40
○ 2026-06-29 09:20:34
A76.76.21.2412026-02-20 → 2026-03-29 · 16 obs
○ 2026-02-20 03:46:02
● 2026-02-20 09:08:20
○ 2026-02-20 19:50:22
○ 2026-02-22 02:51:04
● 2026-02-22 05:16:14
○ 2026-02-22 14:49:04
○ 2026-03-02 11:43:08
● 2026-03-02 15:30:56
○ 2026-03-02 22:07:50
○ 2026-03-06 21:24:30
● 2026-03-15 19:41:48
○ 2026-03-27 22:30:34
○ 2026-03-29 17:55:48
● 2026-03-29 22:33:20
○ 2026-03-30 11:03:50
○ 2026-06-29 09:20:34
A76.76.21.612026-02-16 → 2026-03-02 · 16 obs
○ 2016-12-17 14:35:18
● 2026-02-16 23:09:28
○ 2026-02-19 08:13:36
○ 2026-02-20 01:23:28
● 2026-02-20 02:48:38
○ 2026-02-20 03:46:02
○ 2026-02-22 05:16:14
● 2026-02-22 14:49:04
○ 2026-02-22 20:51:12
○ 2026-02-24 04:48:14
● 2026-02-24 13:04:24
○ 2026-02-24 23:29:10
○ 2026-03-02 15:30:56
● 2026-03-02 22:07:50
○ 2026-03-03 01:54:02
○ 2026-06-29 09:20:34
A76.76.21.932026-02-19 → 2026-03-05 · 23 obs
○ 2026-02-16 23:09:28
● 2026-02-19 08:13:36
● 2026-02-20 01:23:28
○ 2026-02-20 02:48:38
● 2026-02-20 03:46:02
○ 2026-02-20 09:08:20
● 2026-02-20 19:50:22
○ 2026-02-21 02:42:50
○ 2026-02-22 20:51:12
● 2026-02-22 23:27:14
● 2026-02-23 09:52:56
○ 2026-02-23 15:12:36
○ 2026-02-27 09:21:52
● 2026-02-27 21:00:52
● 2026-02-28 09:13:02
○ 2026-02-28 14:53:50
○ 2026-03-01 07:36:16
● 2026-03-01 12:36:52
○ 2026-03-01 14:22:34
○ 2026-03-04 04:16:04
● 2026-03-05 13:59:16
○ 2026-03-05 23:38:22
○ 2026-06-29 09:20:34
A76.76.21.982026-02-21 → 2026-03-29 · 22 obs
○ 2026-02-21 02:42:50
● 2026-02-21 16:05:28
○ 2026-02-22 02:51:04
○ 2026-02-23 21:23:56
● 2026-02-24 02:46:40
○ 2026-02-24 03:45:52
○ 2026-02-25 01:49:14
● 2026-02-25 03:00:18
● 2026-02-26 02:39:24
○ 2026-02-26 14:47:12
○ 2026-03-01 14:22:34
● 2026-03-02 08:50:06
○ 2026-03-02 09:36:04
○ 2026-03-02 22:07:50
● 2026-03-03 01:54:02
● 2026-03-03 02:43:58
○ 2026-03-03 03:59:08
○ 2026-03-27 22:30:34
● 2026-03-28 08:46:18
● 2026-03-29 17:55:48
○ 2026-03-29 22:33:20
○ 2026-06-29 09:20:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
zoo.devapril.ns.cloudflare.com, jake.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.122

NS records: april.ns.cloudflare.com, jake.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zoo.dev (unsigned zone)

⏱️ Timing

Total: 2480ms | Queries: -

📄 Records

TypeCountSample Data
A1216.150.1.1
NS2april.ns.cloudflare.com, jake.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT111password-site-verification=4Z2DZHVOL5FC, MS=ms65888206...
SOA1april.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

corp.zoo.dev is a subdomain of zoo.dev.

IP Addresses

zoo.dev points to a single IP number: 216.150.1.1.

Additional host names — sintetizar.com, _dc-mx.e8a279d66056.studybibles.net, jampack.ai and two others — share IP numbers with zoo.dev.

Name Servers

zoo.dev has two authoritative name servers — april.ns.cloudflare.com and jake.ns.cloudflare.com.

zoo.dev shares its name server setup with other domains, including redir.info, worldtradex.live, worldtradex.bid and two others.

The name servers of zoo.dev overlap at least partially with those of other domains — among them devistudios.in, gcashcorp.one, senmeko.com and two more.

These name servers commonly appear in combination with the name servers christian.ns.cloudflare.com.

Host names with 6 IP numbers:

april.ns.cloudflare.com points to 108.162.192.66, 172.64.32.66, 173.245.58.66 and 3 other IP addresses.

jake.ns.cloudflare.com points to 108.162.193.122, 172.64.33.122, 173.245.59.122 and 3 other IP addresses.

Mail Servers

Five mail servers handle zoo.dev: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

zoo.dev shares mail servers — at least in part — with other domains, including ns500759.ns500759.ns500758.ns500698.ns500735.ns500698.ns500736.ns500735.ns500735.ns500576.ns500708.ns500698.ns500652.ns500652.ns500576.trackreceptor.com, ns500671.ns500742.ns500671.ns500671.ns500704.ns500291.ns500649.ns500678.ns500291.ns500131.lustychickser.com, juhohiilivirta.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c1b::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 172.253.157.27 and 2a00:1450:400c:c23::1b.