bookingbug.com - dns.ninja

bookingbug.com

DNSSECโš ๏ธ Not signed
A54.78.255.84๐Ÿ‡ฎ๐Ÿ‡ช Amazon54.78.0.0/16 EC2 DUB prefix
PTRec2-54-78-255-84.eu-west-1.compute.amazonaws.com
A108.133.17.225๐Ÿ‡ฎ๐Ÿ‡ช Amazon108.128.0.0/13 EC2 DUB prefix
NSns-1495.awsdns-58.org โญ
A2600:9000:5305:d700::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5305::/48 - CloudFront
PTRns-1495.awsdns-58.org
A205.251.197.215๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.197.0/24 prefix
NSns-118.awsdns-14.com
A2600:9000:5300:7600::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5300::/48 - CloudFront
PTRns-118.awsdns-14.com
A205.251.192.118๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.192.0/24 prefix
PTRns-118.awsdns-14.com
NSns-1738.awsdns-25.co.uk
A2600:9000:5306:ca00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5306::/48 - CloudFront
PTRns-1738.awsdns-25.co.uk
A205.251.198.202๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.198.0/24 prefix
PTRns-1738.awsdns-25.co.uk
NSns-883.awsdns-46.net
A2600:9000:5303:7300::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5303::/48 - CloudFront
PTRns-883.awsdns-46.net
A205.251.195.115๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.195.0/24 prefix
PTRns-883.awsdns-46.net
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c1d::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A64.233.180.26๐Ÿ‡บ๐Ÿ‡ธ Google64.233.180.0/24
PTRon-in-f26.1e100.net
PTRpe-in-f26.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1a๐Ÿ‡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(20)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(30)
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
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
TXTMS=6EEE693B9765690F219FF7DD39DB1E7C8BCA41EA
TXTU1KMpmI
TXTf0m2oliqb5ltr04p8is6n5p0g0
TXTgoogle-site-verification=BctCSY-3b0lw1H8VKzDOvdxb8-r9R6bEvyY2gRp-nE8
TXTgoogle-site-verification=Qrocl7E3DJfmM_nsLZyAYLe0QzV-b7QyyaIKOj3Y2sg
TXTgoogle-site-verification=cwECOfPDCXp_-vZwF5lHE-V3XAlnKEwzwhcB_NTiNr8
TXThibp-verify=dweb_ut4u0k61tzd1q8avth1t1xvk
TXTicic73najmds5tfgpif82l16mk
TXTobd8t6rqhdntqibdjf7b8jq6cs
TXTv=spf1 mx include:_spf.google.com include:mailanyone.net include:servers.mcsv...
TXTzoom-domain-verification=c03ed618-ebab-4155-87f7-b202bdfd2b32
SOAns-1495.awsdns-58.orgawsdns-hostmaster@amazon.com serial=1

com

rank #480042 globally
rank #201627 in the tld
WOT: UNKNOWN (80/100)
๐Ÿ“ˆ Tranco rank: #296,987

Subdomains

Same first word

Similar names

DNS History

54 records (12 active, 42 former)

20162017201820192020202120222023202420252026NSns-118.awsdns-14.comns-1495.awsdns-58.orgns-1738.awsdns-25.co.ukns-883.awsdns-46.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comA108.133.17.22554.78.255.84108.131.78.147176.34.197.12423.21.213.8634.242.236.19434.243.44.6534.248.172.18734.250.4.2934.250.62.13934.251.97.18434.252.227.17934.255.255.10950.16.190.11052.17.236.11052.17.30.8652.19.36.1552.208.220.15652.209.117.11452.211.150.6852.211.184.6152.30.142.652.30.164.12252.31.169.11352.31.44.13852.49.167.20552.50.87.14454.171.1.19454.194.250.11854.217.219.20854.217.252.17854.225.139.19654.228.173.24954.235.147.22554.246.60.20954.75.152.19554.76.249.9454.77.13.20563.32.12.22263.35.136.5463.35.19.21099.80.83.25299.81.132.13399.81.9.93
โ—NSns-118.awsdns-14.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—NSns-1495.awsdns-58.org2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—NSns-1738.awsdns-25.co.uk2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—NSns-883.awsdns-46.net2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXalt1.aspmx.l.google.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXalt2.aspmx.l.google.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXaspmx.l.google.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXaspmx2.googlemail.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXaspmx3.googlemail.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—MXaspmx4.googlemail.com2015-08-30 โ†’ 2026-07-22 ยท 2 obs
โ— 2015-08-30 07:23:06
โ— 2026-07-22 07:39:42
โ—‹A108.131.78.1472026-05-10 โ†’ 2026-05-12 ยท 5 obs
โ—‹ 2026-05-09 01:36:32
โ— 2026-05-10 02:22:02
โ— 2026-05-12 14:19:38
โ—‹ 2026-05-15 17:04:22
โ—‹ 2026-07-22 07:39:42
โ—A108.133.17.2252026-07-22 โ†’ 2026-07-22 ยท 3 obs
โ—‹ 2026-07-11 17:39:40
โ— 2026-07-22 07:39:38
โ— 2026-07-22 07:39:42
โ—‹A176.34.197.1242026-04-09 โ†’ 2026-04-16 ยท 5 obs
โ—‹ 2026-04-09 14:19:26
โ— 2026-04-09 22:54:50
โ— 2026-04-16 22:30:32
โ—‹ 2026-04-19 06:42:34
โ—‹ 2026-07-22 07:39:42
โ—‹A23.21.213.862015-11-04 โ†’ 2015-11-04 ยท 4 obs
โ—‹ 2015-10-29 16:03:38
โ— 2015-11-04 03:13:30
โ—‹ 2016-01-19 03:44:08
โ—‹ 2026-07-22 07:39:42
โ—‹A34.242.236.1942026-02-21 โ†’ 2026-03-02 ยท 5 obs
โ—‹ 2026-02-16 23:24:48
โ— 2026-02-21 04:48:12
โ— 2026-03-02 04:34:26
โ—‹ 2026-03-16 16:19:44
โ—‹ 2026-07-22 07:39:42
โ—‹A34.243.44.652026-05-07 โ†’ 2026-05-18 ยท 5 obs
โ—‹ 2026-05-04 17:42:40
โ— 2026-05-07 10:48:58
โ— 2026-05-18 11:22:26
โ—‹ 2026-05-20 18:56:12
โ—‹ 2026-07-22 07:39:42
โ—‹A34.248.172.1872019-03-14 โ†’ 2019-03-14 ยท 4 obs
โ—‹ 2017-02-20 04:17:16
โ— 2019-03-14 19:23:06
โ—‹ 2020-02-06 07:26:28
โ—‹ 2026-07-22 07:39:42
โ—‹A34.250.4.292026-02-16 โ†’ 2026-02-16 ยท 4 obs
โ—‹ 2020-02-06 07:26:28
โ— 2026-02-16 23:24:48
โ—‹ 2026-02-21 04:48:12
โ—‹ 2026-07-22 07:39:42
โ—‹A34.250.62.1392026-07-11 โ†’ 2026-07-11 ยท 4 obs
โ—‹ 2026-06-30 17:53:24
โ— 2026-07-11 17:39:40
โ—‹ 2026-07-22 07:39:38
โ—‹ 2026-07-22 07:39:42
โ—‹A34.251.97.1842026-05-04 โ†’ 2026-05-04 ยท 4 obs
โ—‹ 2026-05-02 03:53:22
โ— 2026-05-04 17:42:40
โ—‹ 2026-05-07 10:48:58
โ—‹ 2026-07-22 07:39:42
โ—‹A34.252.227.1792019-03-14 โ†’ 2019-03-14 ยท 4 obs
โ—‹ 2017-02-20 04:17:16
โ— 2019-03-14 19:23:06
โ—‹ 2020-02-06 07:26:28
โ—‹ 2026-07-22 07:39:42
โ—‹A34.255.255.1092026-06-14 โ†’ 2026-06-14 ยท 4 obs
โ—‹ 2026-06-09 17:31:48
โ— 2026-06-14 04:43:32
โ—‹ 2026-06-21 01:38:42
โ—‹ 2026-07-22 07:39:42
โ—‹A50.16.190.1102015-08-30 โ†’ 2015-09-27 ยท 4 obs
โ— 2015-08-30 07:23:06
โ— 2015-09-27 16:08:16
โ—‹ 2019-03-14 19:23:06
โ—‹ 2026-07-22 07:39:42
โ—‹A52.17.236.1102026-06-17 โ†’ 2026-06-17 ยท 4 obs
โ—‹ 2026-06-14 04:43:32
โ— 2026-06-17 16:29:12
โ—‹ 2026-06-30 17:53:24
โ—‹ 2026-07-22 07:39:42
โ—‹A52.17.30.862026-04-19 โ†’ 2026-04-22 ยท 5 obs
โ—‹ 2026-04-16 22:30:32
โ— 2026-04-19 06:42:34
โ— 2026-04-22 09:15:50
โ—‹ 2026-04-24 14:09:08
โ—‹ 2026-07-22 07:39:42
โ—‹A52.19.36.152026-05-07 โ†’ 2026-05-09 ยท 5 obs
โ—‹ 2026-05-04 17:42:40
โ— 2026-05-07 10:48:58
โ— 2026-05-09 01:36:32
โ—‹ 2026-05-10 02:22:02
โ—‹ 2026-07-22 07:39:42
โ—‹A52.208.220.1562026-07-11 โ†’ 2026-07-11 ยท 4 obs
โ—‹ 2026-06-30 17:53:24
โ— 2026-07-11 17:39:40
โ—‹ 2026-07-22 07:39:38
โ—‹ 2026-07-22 07:39:42
โ—‹A52.209.117.1142026-06-05 โ†’ 2026-06-05 ยท 4 obs
โ—‹ 2026-06-01 12:49:36
โ— 2026-06-05 09:07:06
โ—‹ 2026-06-09 17:31:48
โ—‹ 2026-07-22 07:39:42
โ—‹A52.211.150.682026-03-16 โ†’ 2026-03-16 ยท 4 obs
โ—‹ 2026-03-02 04:34:26
โ— 2026-03-16 16:19:44
โ—‹ 2026-03-20 05:59:54
โ—‹ 2026-07-22 07:39:42
โ—‹A52.211.184.612020-02-06 โ†’ 2020-02-06 ยท 4 obs
โ—‹ 2019-03-14 19:23:06
โ— 2020-02-06 07:26:28
โ—‹ 2026-02-16 23:24:48
โ—‹ 2026-07-22 07:39:42
โ—‹A52.30.142.62016-01-19 โ†’ 2017-02-20 ยท 5 obs
โ—‹ 2015-11-04 03:13:30
โ— 2016-01-19 03:44:08
โ— 2017-02-20 04:17:16
โ—‹ 2019-03-14 19:23:06
โ—‹ 2026-07-22 07:39:42
โ—‹A52.30.164.1222026-03-26 โ†’ 2026-04-09 ยท 5 obs
โ—‹ 2026-03-23 22:19:38
โ— 2026-03-26 12:03:00
โ— 2026-04-09 14:19:26
โ—‹ 2026-04-09 22:54:50
โ—‹ 2026-07-22 07:39:42
โ—‹A52.31.169.1132026-02-16 โ†’ 2026-02-16 ยท 4 obs
โ—‹ 2020-02-06 07:26:28
โ— 2026-02-16 23:24:48
โ—‹ 2026-02-21 04:48:12
โ—‹ 2026-07-22 07:39:42
โ—‹A52.31.44.1382016-01-19 โ†’ 2017-02-20 ยท 5 obs
โ—‹ 2015-11-04 03:13:30
โ— 2016-01-19 03:44:08
โ— 2017-02-20 04:17:16
โ—‹ 2019-03-14 19:23:06
โ—‹ 2026-07-22 07:39:42
โ—‹A52.49.167.2052026-06-30 โ†’ 2026-06-30 ยท 4 obs
โ—‹ 2026-06-21 01:38:42
โ— 2026-06-30 17:53:24
โ—‹ 2026-07-11 17:39:40
โ—‹ 2026-07-22 07:39:42
โ—‹A52.50.87.1442020-02-06 โ†’ 2020-02-06 ยท 4 obs
โ—‹ 2019-03-14 19:23:06
โ— 2020-02-06 07:26:28
โ—‹ 2026-02-16 23:24:48
โ—‹ 2026-07-22 07:39:42
โ—‹A54.171.1.1942026-02-21 โ†’ 2026-02-21 ยท 4 obs
โ—‹ 2026-02-16 23:24:48
โ— 2026-02-21 04:48:12
โ—‹ 2026-03-02 04:34:26
โ—‹ 2026-07-22 07:39:42
โ—‹A54.194.250.1182026-03-02 โ†’ 2026-03-02 ยท 4 obs
โ—‹ 2026-02-21 04:48:12
โ— 2026-03-02 04:34:26
โ—‹ 2026-03-16 16:19:44
โ—‹ 2026-07-22 07:39:42
โ—‹A54.217.219.2082026-03-16 โ†’ 2026-03-23 ยท 5 obs
โ—‹ 2026-03-02 04:34:26
โ— 2026-03-16 16:19:44
โ— 2026-03-23 22:19:38
โ—‹ 2026-03-26 12:03:00
โ—‹ 2026-07-22 07:39:42
โ—‹A54.217.252.1782026-06-09 โ†’ 2026-06-14 ยท 5 obs
โ—‹ 2026-06-05 09:07:06
โ— 2026-06-09 17:31:48
โ— 2026-06-14 04:43:32
โ—‹ 2026-06-17 16:29:12
โ—‹ 2026-07-22 07:39:42
โ—‹A54.225.139.1962015-10-29 โ†’ 2015-10-29 ยท 4 obs
โ—‹ 2015-09-27 16:08:16
โ— 2015-10-29 16:03:38
โ—‹ 2015-11-04 03:13:30
โ—‹ 2026-07-22 07:39:42
โ—‹A54.228.173.2492026-05-18 โ†’ 2026-05-25 ยท 5 obs
โ—‹ 2026-05-15 17:04:22
โ— 2026-05-18 11:22:26
โ— 2026-05-25 03:47:28
โ—‹ 2026-05-28 15:58:50
โ—‹ 2026-07-22 07:39:42
โ—‹A54.235.147.2252015-08-30 โ†’ 2015-09-27 ยท 4 obs
โ— 2015-08-30 07:23:06
โ— 2015-09-27 16:08:16
โ—‹ 2015-10-29 16:03:38
โ—‹ 2026-07-22 07:39:42
โ—‹A54.246.60.2092026-04-24 โ†’ 2026-05-04 ยท 5 obs
โ—‹ 2026-04-22 09:15:50
โ— 2026-04-24 14:09:08
โ— 2026-05-04 17:42:40
โ—‹ 2026-05-07 10:48:58
โ—‹ 2026-07-22 07:39:42
โ—‹A54.75.152.1952026-05-15 โ†’ 2026-05-15 ยท 4 obs
โ—‹ 2026-05-12 14:19:38
โ— 2026-05-15 17:04:22
โ—‹ 2026-05-18 11:22:26
โ—‹ 2026-07-22 07:39:42
โ—‹A54.76.249.942026-04-14 โ†’ 2026-04-19 ยท 5 obs
โ—‹ 2026-04-09 22:54:50
โ— 2026-04-14 03:33:00
โ— 2026-04-19 22:33:32
โ—‹ 2026-04-21 05:50:42
โ—‹ 2026-07-22 07:39:42
โ—‹A54.77.13.2052026-03-20 โ†’ 2026-03-26 ยท 5 obs
โ—‹ 2026-03-16 16:19:44
โ— 2026-03-20 05:59:54
โ— 2026-03-26 12:03:00
โ—‹ 2026-04-04 06:13:52
โ—‹ 2026-07-22 07:39:42
โ—A54.78.255.842026-07-22 โ†’ 2026-07-22 ยท 3 obs
โ—‹ 2026-07-11 17:39:40
โ— 2026-07-22 07:39:38
โ— 2026-07-22 07:39:42
โ—‹A63.32.12.2222026-05-28 โ†’ 2026-06-05 ยท 5 obs
โ—‹ 2026-05-25 03:47:28
โ— 2026-05-28 15:58:50
โ— 2026-06-05 09:07:06
โ—‹ 2026-06-09 17:31:48
โ—‹ 2026-07-22 07:39:42
โ—‹A63.35.136.542026-06-09 โ†’ 2026-06-09 ยท 4 obs
โ—‹ 2026-06-05 09:07:06
โ— 2026-06-09 17:31:48
โ—‹ 2026-06-14 04:43:32
โ—‹ 2026-07-22 07:39:42
โ—‹A63.35.19.2102026-05-20 โ†’ 2026-06-01 ยท 5 obs
โ—‹ 2026-05-18 11:22:26
โ— 2026-05-20 18:56:12
โ— 2026-06-01 12:49:36
โ—‹ 2026-06-05 09:07:06
โ—‹ 2026-07-22 07:39:42
โ—‹A99.80.83.2522026-04-21 โ†’ 2026-05-02 ยท 5 obs
โ—‹ 2026-04-19 22:33:32
โ— 2026-04-21 05:50:42
โ— 2026-05-02 03:53:22
โ—‹ 2026-05-04 17:42:40
โ—‹ 2026-07-22 07:39:42
โ—‹A99.81.132.1332026-04-04 โ†’ 2026-04-09 ยท 5 obs
โ—‹ 2026-03-26 12:03:00
โ— 2026-04-04 06:13:52
โ— 2026-04-09 22:54:50
โ—‹ 2026-04-14 03:33:00
โ—‹ 2026-07-22 07:39:42
โ—‹A99.81.9.932026-06-21 โ†’ 2026-06-21 ยท 4 obs
โ—‹ 2026-06-17 16:29:12
โ— 2026-06-21 01:38:42
โ—‹ 2026-07-11 17:39:40
โ—‹ 2026-07-22 07:39:42

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...-
bookingbug.comns-118.awsdns-14.com, ns-883.awsdns-46.net, ns-1738.awsdns-25.co.uk, ns-1495.awsdns-58.org2 records

โœ… Authoritative Response

Server:205.251.198.202

NS records: ns-118.awsdns-14.com, ns-883.awsdns-46.net, ns-1738.awsdns-25.co.uk, ns-1495.awsdns-58.org

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for bookingbug.com (unsigned zone)

โฑ๏ธ Timing

Total: 558ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A254.78.255.84, 108.133.17.225
NS4ns-118.awsdns-14.com, ns-1495.awsdns-58.org...
MX6aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT11MS=6EEE693B9765690F219FF7DD39DB1E7C8BCA4, U1KMpmI...
SOA1ns-1495.awsdns-58.org awsdns-hostmaster.

๐Ÿ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-118.awsdns-14.com, ns-118.awsdns-14.com)

Analysis

Hierarchy

bookingbug.com serves as parent to angular.bookingbug.com, bespoke.bookingbug.com, roomandboard.bookingbug.com, feedback.bookingbug.com, morganstanley.bookingbug.com along with a few other host names.

IP Addresses

bookingbug.com resolves to the IP addresses 54.78.255.84 and 108.133.17.225

Host names like ec2-54-78-255-84.eu-west-1.compute.amazonaws.com are further examples that share IP numbers with bookingbug.com.

Name Servers

The domain bookingbug.com is delegated to these four name servers: ns-118.awsdns-14.com, ns-883.awsdns-46.net, ns-1495.awsdns-58.org and ns-1738.awsdns-25.co.uk.

bookingbug.com has at least partial name server overlap with other domains, such as wrigleytrade.co.uk, robotica.com, hamashou-0115.com and two others.

ns-118.awsdns-14.com, ns-883.awsdns-46.net, ns-1495.awsdns-58.org and ns-1738.awsdns-25.co.uk all point to exactly two IP numbers each: ns-118.awsdns-14.com โ†’ 205.251.192.118 and 2600:9000:5300:7600::1; ns-883.awsdns-46.net โ†’ 205.251.195.115 and 2600:9000:5303:7300::1; ns-1495.awsdns-58.org โ†’ 205.251.197.215 and 2600:9000:5305:d700::1; ns-1738.awsdns-25.co.uk โ†’ 205.251.198.202 and 2600:9000:5306:ca00::1.

Mail Servers

Mail for bookingbug.com is routed through 6 mail servers, including aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 3 other.

bookingbug.com shares at least some of its mail servers with other domains โ€” for example ns500698.ns500698.ns500759.ns500758.ns500758.ns500698.ns500735.ns500736.ns500698.ns500698.ns500708.ns500576.ns500619.ns500698.trackreceptor.com, joeholtpiano.co.uk, thedivorceplanner.net and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

aspmx.l.google.com resolves to two addresses: 64.233.180.26 and 2607:f8b0:4004:c1d::1a.

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

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

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.