hackernoon.com - robtex.com

hackernoon.com

DNSSECโš ๏ธ Not signed
A2606:4700:20::681a:626๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A2606:4700:20::681a:726๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A2606:4700:20::ac43:4734๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A104.26.6.38Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A104.26.7.38Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A172.67.71.52๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
NSamber.ns.cloudflare.com โญ
A2606:4700:50::adf5:3a40๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A2803:f800:50::6ca2:c040๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamber.ns.cloudflare.com
A2a06:98c1:50::ac40:2040๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRamber.ns.cloudflare.com
A108.162.192.64๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A172.64.32.64๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A173.245.58.64๐Ÿ‡บ๐Ÿ‡ธ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
NSguy.ns.cloudflare.com
A2606:4700:58::adf5:3bad๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A2803:f800:50::6ca2:c1ad๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRguy.ns.cloudflare.com
A2a06:98c1:50::ac40:21ad๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRguy.ns.cloudflare.com
A108.162.193.173๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A172.64.33.173๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
A173.245.59.173๐Ÿ‡บ๐Ÿ‡ธ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRguy.ns.cloudflare.com
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c09::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRbh-in-f26.1e100.net
A192.178.155.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.27๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXT_a98ocn0et97geuh0m89jzlvzaithp7r
TXTfacebook-domain-verification=5j1nypnwc4gm15smdd5kgavl7e5vet
TXTfirebase=hackernoon-app
TXTgoogle-site-verification=7aqV-Wg-4b7XP6nZ-1fJgy99deMYt25IGmNMgNkyh-g
TXTgoogle-site-verification=DjivKoJC5rhQ6SCnkaz7UNujzmfYiLDPj4MItcKTf-I
TXTgoogle-site-verification=F0i3VQ3IJaVJrc3xZSht0HiCB8V3Ex7PgFlGrRVf1RU
TXTgoogle-site-verification=HjYAgK8epiMtfFdXbIMPc06DlKYY2TLMkNKHdk0cQOg
TXTgoogle-site-verification=MyIgILJ2cXXJDA0kx1_45SjwofgkTWyaSk66w8lTwy0
TXTgoogle-site-verification=UfqnQyZvvDmOON1yQuOZMfUuM21cLmV7aQpxCvgxrt4
TXTgoogle-site-verification=cPes9_Ves7bHC7FfGrffokkXKfcWT2uj8tSggmcqHKw
TXTgoogle-site-verification=n6eghnywkeXvjG7fg4qNnqKCQHeGe0xEKm4w4bnrfSo
TXTgoogle-site-verification=sUrVo6yL4KZutqwkH8Z7sKa90WL3nfC0dQnZ0oHOGMQ
TXTgoogle-site-verification=vf402pQd7CrurhiTJGwvX-GWi6oxjPk4UImos33JGbU
TXToogle-site-verification=L05iH9IcHzlJOVqwqO9_ey4GyLkQuFYNJFZx0981uzU
TXTv=spf1 include:_spf.elasticemail.com include:mailgun.org include:google.com ~all
HTTPSHTTP/2 โœ“ hints match
IPv4 hints104.26.6.38, 104.26.7.38, 172.67.71.52
IPv6 hints2606:4700:20::681a:626, 2606:4700:20::681a:726, 2606:4700:20::ac43:4734
SOAamber.ns.cloudflare.comdns@cloudflare.com serial=2406853801

com

rank #1763 globally
rank #944 in the tld
WOT: SAFE (75/100)
๐Ÿ“ˆ Tranco rank: #6,496

Subdomains

Same first word

Similar names

DNS History

39 records (13 active, 26 former)

2017201820192020202120222023202420252026NSamber.ns.cloudflare.comguy.ns.cloudflare.comdawn.ns.cloudflare.comgabe.ns.cloudflare.compdns1.registrar-servers.compdns2.registrar-servers.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.zoho.commx2.zoho.comA104.26.6.38104.26.7.38172.67.71.522606:4700:20::681a:6262606:4700:20::681a:7262606:4700:20::ac43:4734104.18.22.237104.18.23.237104.197.241.218216.150.1.12606:4700::6812:16ed2606:4700::6812:17ed35.193.55.16035.224.188.15952.0.16.11852.1.119.17052.1.147.20552.1.173.20352.4.145.11952.4.175.11152.4.225.12452.4.240.22152.4.38.7052.5.181.7952.6.3.19252.6.46.142
โ—NSamber.ns.cloudflare.com2020-02-08 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2018-07-30 15:14:26
โ— 2020-02-08 07:55:12
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—‹NSdawn.ns.cloudflare.com2016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹NSgabe.ns.cloudflare.com2016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—NSguy.ns.cloudflare.com2020-02-08 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2018-07-30 15:14:26
โ— 2020-02-08 07:55:12
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—‹NSpdns1.registrar-servers.com2026-03-31 โ†’ 2026-04-13 ยท 5 obs
โ—‹ 2026-03-31 12:27:16
โ— 2026-03-31 15:21:44
โ— 2026-04-13 03:38:56
โ—‹ 2026-04-18 16:16:12
โ—‹ 2026-07-02 14:50:44
โ—‹NSpdns2.registrar-servers.com2026-03-31 โ†’ 2026-04-13 ยท 5 obs
โ—‹ 2026-03-31 12:27:16
โ— 2026-03-31 15:21:44
โ— 2026-04-13 03:38:56
โ—‹ 2026-04-18 16:16:12
โ—‹ 2026-07-02 14:50:44
โ—MXalt1.aspmx.l.google.com2018-07-30 โ†’ 2026-07-02 ยท 6 obs
โ—‹ 2017-11-19 01:18:50
โ— 2018-07-30 15:14:26
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ— 2026-04-03 22:22:58
โ— 2026-07-02 14:50:44
โ—MXalt2.aspmx.l.google.com2018-07-30 โ†’ 2026-07-02 ยท 6 obs
โ—‹ 2017-11-19 01:18:50
โ— 2018-07-30 15:14:26
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ— 2026-04-03 22:22:58
โ— 2026-07-02 14:50:44
โ—MXalt3.aspmx.l.google.com2018-07-30 โ†’ 2026-07-02 ยท 6 obs
โ—‹ 2017-11-19 01:18:50
โ— 2018-07-30 15:14:26
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ— 2026-04-03 22:22:58
โ— 2026-07-02 14:50:44
โ—MXalt4.aspmx.l.google.com2018-07-30 โ†’ 2026-07-02 ยท 6 obs
โ—‹ 2017-11-19 01:18:50
โ— 2018-07-30 15:14:26
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ— 2026-04-03 22:22:58
โ— 2026-07-02 14:50:44
โ—MXaspmx.l.google.com2018-07-30 โ†’ 2026-07-02 ยท 6 obs
โ—‹ 2017-11-19 01:18:50
โ— 2018-07-30 15:14:26
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ— 2026-04-03 22:22:58
โ— 2026-07-02 14:50:44
โ—‹MXmx.zoho.com2016-11-29 โ†’ 2017-11-19 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2017-11-19 01:18:50
โ—‹ 2018-07-30 15:14:26
โ—‹ 2026-07-02 14:50:44
โ—‹MXmx2.zoho.com2016-11-29 โ†’ 2017-11-19 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2017-11-19 01:18:50
โ—‹ 2018-07-30 15:14:26
โ—‹ 2026-07-02 14:50:44
โ—‹A104.18.22.2372026-02-28 โ†’ 2026-07-02 ยท 2 obs
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—‹A104.18.23.2372026-02-28 โ†’ 2026-07-02 ยท 2 obs
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—‹A104.197.241.2182020-02-08 โ†’ 2020-02-08 ยท 4 obs
โ—‹ 2018-07-30 15:14:26
โ— 2020-02-08 07:55:12
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—A104.26.6.382026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—A104.26.7.382026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—A172.67.71.522026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—‹A216.150.1.12026-03-31 โ†’ 2026-04-13 ยท 5 obs
โ—‹ 2026-03-31 12:27:16
โ— 2026-03-31 15:21:44
โ— 2026-04-13 03:38:56
โ—‹ 2026-04-18 16:16:12
โ—‹ 2026-07-02 14:50:44
โ—‹A2606:4700::6812:16ed2026-02-28 โ†’ 2026-07-02 ยท 2 obs
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—‹A2606:4700::6812:17ed2026-02-28 โ†’ 2026-07-02 ยท 2 obs
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—A2606:4700:20::681a:6262026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—A2606:4700:20::681a:7262026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—A2606:4700:20::ac43:47342026-02-28 โ†’ 2026-07-02 ยท 7 obs
โ—‹ 2020-02-08 07:55:12
โ— 2026-02-28 20:29:46
โ— 2026-03-31 12:27:16
โ—‹ 2026-03-31 15:21:44
โ—‹ 2026-04-13 03:38:56
โ— 2026-04-18 16:16:12
โ— 2026-07-02 14:50:44
โ—‹A35.193.55.1602020-02-08 โ†’ 2020-02-08 ยท 4 obs
โ—‹ 2018-07-30 15:14:26
โ— 2020-02-08 07:55:12
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—‹A35.224.188.1592020-02-08 โ†’ 2020-02-08 ยท 4 obs
โ—‹ 2018-07-30 15:14:26
โ— 2020-02-08 07:55:12
โ—‹ 2026-02-28 20:29:46
โ—‹ 2026-07-02 14:50:44
โ—‹A52.0.16.1182016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.1.119.1702016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.1.147.2052016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.1.173.2032016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.4.145.1192016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.4.175.1112016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.4.225.1242016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.4.240.2212016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.4.38.702016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.5.181.792016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.6.3.1922016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44
โ—‹A52.6.46.1422016-11-29 โ†’ 2018-07-30 ยท 4 obs
โ— 2016-11-29 07:33:12
โ— 2018-07-30 15:14:26
โ—‹ 2020-02-08 07:55:12
โ—‹ 2026-07-02 14:50:44

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...-
hackernoon.comamber.ns.cloudflare.com, guy.ns.cloudflare.com12 records

โœ… Authoritative Response

Server:173.245.59.173

NS records: amber.ns.cloudflare.com, guy.ns.cloudflare.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for hackernoon.com (unsigned zone)

โฑ๏ธ Timing

Total: 313ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A3172.67.71.52, 104.26.7.38...
AAAA32606:4700:20::681a:726, 2606:4700:20::ac43:4734...
NS2amber.ns.cloudflare.com, guy.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT15_a98ocn0et97geuh0m89jzlvzaithp7r, facebook-domain-verification=5j1nypnwc4g...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1amber.ns.cloudflare.com dns.cloudflare.c

๐Ÿ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (amber.ns.cloudflare.com, amber.ns.cloudflare.com, amber.ns.cloudflare.com...)

Analysis

Hierarchy

hackernoon.com is the parent domain of www.hackernoon.com, api.hackernoon.com, cdn.hackernoon.com and community.hackernoon.com.

IP Addresses

hackernoon.com points to 6 IP addresses, including 104.26.6.38, 104.26.7.38 and 172.67.71.52, plus 3 other.

community.hackernoon.com, www.cmadocs.org, sosial.muhammadiyah.or.id plus two other host names have IP numbers in common with hackernoon.com.

Name Servers

hackernoon.com has two authoritative name servers โ€” amber.ns.cloudflare.com and guy.ns.cloudflare.com.

The name server configuration of hackernoon.com is shared with other domains, for instance aacstudio.com, oytic.com, healthcareinamerica.us and two others.

hackernoon.com shares at least some of its name servers with other domains, including lycronethavi.sbs, driveallseasons.co.uk, azcarinsurancerates.com and two others.

These name servers are frequently seen alongside the name servers ines.ns.cloudflare.com.

Hosts with 6 IP addresses each:

amber.ns.cloudflare.com points to 108.162.192.64, 172.64.32.64, 173.245.58.64 and 3 other IP addresses.

guy.ns.cloudflare.com points to 108.162.193.173, 172.64.33.173, 173.245.59.173 and 3 other IP addresses.

Mail Servers

Mail for hackernoon.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by hackernoon.com are shared with other domains: heavyhauldirectory.com, werkap.com.mx, ylp.co.nz and two others among them.

These mail servers are often deployed together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx.l.google.com resolves to 192.178.155.27 and 2607:f8b0:4004:c09::1a.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

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

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