peerdirect.com - dns.ninja

peerdirect.com

DNSSECโš ๏ธ Not signed
A2606:4700::6812:ee2๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A2606:4700::6812:fe2๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A104.18.14.226Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
A104.18.15.226Cloudflare104.18.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US โœ“ In HTTPS hints
NSalla.ns.cloudflare.com โญ
A2606:4700:50::adf5:3a3e๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A2803:f800:50::6ca2:c03e๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalla.ns.cloudflare.com
A2a06:98c1:50::ac40:203e๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRalla.ns.cloudflare.com
A108.162.192.62๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A172.64.32.62๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
A173.245.58.62๐Ÿ‡บ๐Ÿ‡ธ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalla.ns.cloudflare.com
NSwesley.ns.cloudflare.com
A2606:4700:58::adf5:3bf6๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A2803:f800:50::6ca2:c1f6๐Ÿ‡จ๐Ÿ‡ท Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwesley.ns.cloudflare.com
A2a06:98c1:50::ac40:21f6๐Ÿ‡บ๐Ÿ‡ธ Cloudflare2a06:98c1:50::/45
PTRwesley.ns.cloudflare.com
A108.162.193.246๐Ÿ‡บ๐Ÿ‡ธ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A172.64.33.246๐Ÿ‡บ๐Ÿ‡ธ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
A173.245.59.246๐Ÿ‡บ๐Ÿ‡ธ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwesley.ns.cloudflare.com
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c1b::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A172.253.63.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.63.0/24
PTRbi-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b๐Ÿ‡ง๐Ÿ‡ช Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTatlassian-domain-verification=wmjMchUiQaQ/O6mnJ3LNZbmD62ahFK7EtLbCi9/NNiXmZru...
TXTdm1eoolcqrceb6545i57j2d5dr
TXTgoogle-site-verification=1K_CAxeQiVDMTDUj_nCa6tNGmXkH04g8gv-NHyk5WLk
TXTknowbe4-site-verification=ebff960612ce57f77739e2e4384d1440
TXTv=spf1 include:_spf.google.com include:one.zoho.eu exists:%{i}._spf.sparkpost...
HTTPSHTTP/2 โœ“ hints match
IPv4 hints104.18.14.226, 104.18.15.226
IPv6 hints2606:4700::6812:ee2, 2606:4700::6812:fe2
SOAalla.ns.cloudflare.comdns@cloudflare.com serial=2407029127

com

๐Ÿ”’ HSTS Preload (+subdomains)
WOT: SAFE (68/100)

Subdomains

Same first word

Similar names

DNS History

45 records (11 active, 34 former)

2008201020122014201620182020202220242026NSalla.ns.cloudflare.comwesley.ns.cloudflare.comdnssrv.progress.comdnssrv1.progress.comdnssrv2.progress.comdnssrv3.progress.comns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comanmail.namebrightmail.commail1.namebrightmail.commail2.namebrightmail.commx1.progress.commx2.progress.commx3.progress.commx4.progress.commx5.progress.comA104.18.14.226104.18.15.2262606:4700::6812:ee22606:4700::6812:fe2107.23.160.218107.23.198.240192.233.92.10934.194.244.12052.20.172.3352.200.243.12352.205.67.6252.206.43.23452.4.72.13754.152.144.24354.174.31.25454.208.74.21554.209.90.8154.236.123.22454.85.189.1CNAMEcomingsoon.namebright.comhdredirect-lb-399551664.us-east-1.elb.amazonaws.comnbparking-lb-1977168523.us-east-1.elb.amazonaws.com
โ—NSalla.ns.cloudflare.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—‹NSdnssrv.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSdnssrv1.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSdnssrv2.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSdnssrv3.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSns1.namebrightdns.com2015-07-18 โ†’ 2017-04-01 ยท 11 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ— 2015-10-21 20:47:06
โ—‹ 2015-11-08 23:22:26
โ— 2015-11-13 20:46:02
โ— 2015-12-28 11:20:26
โ—‹ 2015-12-30 00:59:56
โ— 2016-04-07 21:24:06
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSns2.namebrightdns.com2015-07-18 โ†’ 2017-04-01 ยท 12 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ— 2015-10-21 20:47:06
โ—‹ 2015-11-08 23:22:26
โ— 2015-11-13 20:46:02
โ— 2015-12-28 11:20:26
โ—‹ 2015-12-30 00:59:56
โ—‹ 2016-04-07 21:24:06
โ— 2016-07-29 16:25:26
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹NSnsg1.namebrightdns.com2015-11-08 โ†’ 2016-04-07 ยท 8 obs
โ—‹ 2015-10-21 20:47:06
โ— 2015-11-08 23:22:26
โ—‹ 2015-11-13 20:46:02
โ—‹ 2015-12-28 11:20:26
โ— 2015-12-30 00:59:56
โ— 2016-04-07 21:24:06
โ—‹ 2016-07-29 16:25:26
โ—‹ 2026-07-23 22:11:26
โ—‹NSnsg2.namebrightdns.com2015-11-08 โ†’ 2016-04-07 ยท 8 obs
โ—‹ 2015-10-21 20:47:06
โ— 2015-11-08 23:22:26
โ—‹ 2015-11-13 20:46:02
โ—‹ 2015-12-28 11:20:26
โ— 2015-12-30 00:59:56
โ— 2016-04-07 21:24:06
โ—‹ 2016-07-29 16:25:26
โ—‹ 2026-07-23 22:11:26
โ—NSwesley.ns.cloudflare.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—MXalt1.aspmx.l.google.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—MXalt2.aspmx.l.google.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—MXalt3.aspmx.l.google.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—MXalt4.aspmx.l.google.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—‹MXanmail.namebrightmail.com2015-07-18 โ†’ 2015-07-18 ยท 4 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ—‹ 2015-09-24 21:59:04
โ—‹ 2026-07-23 22:11:26
โ—MXaspmx.l.google.com2026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—‹MXmail1.namebrightmail.com2017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2015-09-24 21:59:04
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmail2.namebrightmail.com2017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2015-09-24 21:59:04
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmx1.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmx2.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmx3.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmx4.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—‹MXmx5.progress.com2007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—A104.18.14.2262026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—A104.18.15.2262026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—‹A107.23.160.2182015-12-28 โ†’ 2015-12-30 ยท 5 obs
โ—‹ 2015-11-13 20:46:02
โ— 2015-12-28 11:20:26
โ— 2015-12-30 00:59:56
โ—‹ 2016-04-07 21:24:06
โ—‹ 2026-07-23 22:11:26
โ—‹A107.23.198.2402016-07-29 โ†’ 2016-07-29 ยท 4 obs
โ—‹ 2016-04-07 21:24:06
โ— 2016-07-29 16:25:26
โ—‹ 2017-04-01 11:49:12
โ—‹ 2026-07-23 22:11:26
โ—‹A192.233.92.1092007-08-13 โ†’ 2007-08-13 ยท 3 obs
โ— 2007-08-13 05:19:12
โ—‹ 2015-07-18 06:44:32
โ—‹ 2026-07-23 22:11:26
โ—A2606:4700::6812:ee22026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—A2606:4700::6812:fe22026-02-21 โ†’ 2026-07-23 ยท 3 obs
โ—‹ 2017-04-01 11:49:12
โ— 2026-02-21 07:19:32
โ— 2026-07-23 22:11:26
โ—‹A34.194.244.1202017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2016-07-29 16:25:26
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹A52.20.172.332015-11-13 โ†’ 2015-11-13 ยท 4 obs
โ—‹ 2015-11-08 23:22:26
โ— 2015-11-13 20:46:02
โ—‹ 2015-12-28 11:20:26
โ—‹ 2026-07-23 22:11:26
โ—‹A52.200.243.1232016-04-07 โ†’ 2016-04-07 ยท 4 obs
โ—‹ 2015-12-30 00:59:56
โ— 2016-04-07 21:24:06
โ—‹ 2016-07-29 16:25:26
โ—‹ 2026-07-23 22:11:26
โ—‹A52.205.67.622017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2016-07-29 16:25:26
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹A52.206.43.2342016-07-29 โ†’ 2016-07-29 ยท 4 obs
โ—‹ 2016-04-07 21:24:06
โ— 2016-07-29 16:25:26
โ—‹ 2017-04-01 11:49:12
โ—‹ 2026-07-23 22:11:26
โ—‹A52.4.72.1372016-07-29 โ†’ 2016-07-29 ยท 4 obs
โ—‹ 2016-04-07 21:24:06
โ— 2016-07-29 16:25:26
โ—‹ 2017-04-01 11:49:12
โ—‹ 2026-07-23 22:11:26
โ—‹A54.152.144.2432016-04-07 โ†’ 2016-04-07 ยท 4 obs
โ—‹ 2015-12-30 00:59:56
โ— 2016-04-07 21:24:06
โ—‹ 2016-07-29 16:25:26
โ—‹ 2026-07-23 22:11:26
โ—‹A54.174.31.2542015-07-18 โ†’ 2015-11-08 ยท 5 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ— 2015-11-08 23:22:26
โ—‹ 2015-11-13 20:46:02
โ—‹ 2026-07-23 22:11:26
โ—‹A54.208.74.2152015-07-18 โ†’ 2015-11-08 ยท 5 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ— 2015-11-08 23:22:26
โ—‹ 2015-11-13 20:46:02
โ—‹ 2026-07-23 22:11:26
โ—‹A54.209.90.812015-12-28 โ†’ 2015-12-30 ยท 5 obs
โ—‹ 2015-11-13 20:46:02
โ— 2015-12-28 11:20:26
โ— 2015-12-30 00:59:56
โ—‹ 2016-04-07 21:24:06
โ—‹ 2026-07-23 22:11:26
โ—‹A54.236.123.2242016-07-29 โ†’ 2016-07-29 ยท 4 obs
โ—‹ 2016-04-07 21:24:06
โ— 2016-07-29 16:25:26
โ—‹ 2017-04-01 11:49:12
โ—‹ 2026-07-23 22:11:26
โ—‹A54.85.189.12015-11-13 โ†’ 2015-11-13 ยท 4 obs
โ—‹ 2015-11-08 23:22:26
โ— 2015-11-13 20:46:02
โ—‹ 2015-12-28 11:20:26
โ—‹ 2026-07-23 22:11:26
โ—‹CNAMEcomingsoon.namebright.com2017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2016-07-29 16:25:26
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26
โ—‹CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-18 โ†’ 2016-07-29 ยท 5 obs
โ—‹ 2007-08-13 05:19:12
โ— 2015-07-18 06:44:32
โ— 2016-07-29 16:25:26
โ—‹ 2017-04-01 11:49:12
โ—‹ 2026-07-23 22:11:26
โ—‹CNAMEnbparking-lb-1977168523.us-east-1.elb.amazonaws.com2017-04-01 โ†’ 2017-04-01 ยท 4 obs
โ—‹ 2016-07-29 16:25:26
โ— 2017-04-01 11:49:12
โ—‹ 2026-02-21 07:19:32
โ—‹ 2026-07-23 22:11:26

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
peerdirect.comalla.ns.cloudflare.com, wesley.ns.cloudflare.com12 records

โœ… Authoritative Response

Server:108.162.193.246

NS records: alla.ns.cloudflare.com, wesley.ns.cloudflare.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for peerdirect.com (unsigned zone)

โฑ๏ธ Timing

Total: 178ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A2104.18.14.226, 104.18.15.226
AAAA22606:4700::6812:ee2, 2606:4700::6812:fe2
NS2alla.ns.cloudflare.com, wesley.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT5atlassian-domain-verification=wmjMchUiQa, dm1eoolcqrceb6545i57j2d5dr...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1alla.ns.cloudflare.com dns.cloudflare.co

๐Ÿ“Œ Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain d.peerdirect.com falls under the parent peerdirect.com.

IP Addresses

peerdirect.com directs to four IP numbers, which are 104.18.14.226, 104.18.15.226, 2606:4700::6812:ee2 and 2606:4700::6812:fe2.

Among the host names that share IP numbers with peerdirect.com are fr.openclassrooms.com, referenciabancodesangre.com, keller.com.cdn.cloudflare.net and two others.

Name Servers

Two name servers handle the delegation for peerdirect.com: alla.ns.cloudflare.com and wesley.ns.cloudflare.com.

peerdirect.com has the same name server delegation as a number of other domains, such as poppers4u.com, dgconnect.com, sample-pro.com and two more.

At least some of peerdirect.com's name servers are shared with other domains, for example thisdontmakenosense.com, e47661.com, osegredodaleidaatracao.com and two more.

These name servers tend to be deployed in combination with the name servers ingrid.ns.cloudflare.com and noah.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

alla.ns.cloudflare.com resolves to 108.162.192.62, 172.64.32.62 and 173.245.58.62 among others, with 3 other IP addresses in total.

wesley.ns.cloudflare.com resolves to 108.162.193.246, 172.64.33.246 and 173.245.59.246 among others, with 3 other IP addresses in total.

Mail Servers

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

peerdirect.com shares at least some of its mail servers with other domains โ€” for example tratcity.com, ns500742.ns500671.ns500742.ns500742.ns500731.ns500731.ns500688.ns500705.ns500678.lusty(0x736c7574)z.com, arihantmedia.com and two more.

It is common to find these mail servers paired with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com resolves to two addresses: 172.253.63.27 and 2607:f8b0:4004:c1b::1a.

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

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

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.