sperostudio.com - robtex.com

sperostudio.com

DNSSEC⚠️ Not signed
A198.49.23.144πŸ‡ΊπŸ‡Έ SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.49.23.145πŸ‡ΊπŸ‡Έ SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.144πŸ‡ΊπŸ‡Έ SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
A198.185.159.145πŸ‡ΊπŸ‡Έ SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1πŸ‡ΊπŸ‡Έ NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1πŸ‡ΊπŸ‡Έ NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSconnect1.squarespacedns.com ⚠️ Not in zone NS records
A198.51.45.6πŸ‡ΊπŸ‡Έ NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p06.nsone.net
NSconnect2.squarespacedns.com ⚠️ Not in zone NS records
A45.54.22.65πŸ‡ΊπŸ‡Έ NETACTUATE45.54.22.0/24
PTRns02.squarespacedns.com
NSdns1.p05.nsone.net ⚠️ Not in parent delegation
A2620:4d:4000:6259:7:5:0:1πŸ‡ΊπŸ‡Έ NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p05.nsone.net
A198.51.44.5πŸ‡ΊπŸ‡Έ NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p05.nsone.net
NSdns2.p05.nsone.net ⚠️ Not in parent delegation
A2a00:edc0:6259:7:5::2πŸ‡ΊπŸ‡Έ NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p05.nsone.net
A198.51.45.5πŸ‡ΊπŸ‡Έ NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p05.nsone.net
NSdns3.p05.nsone.net ⚠️ Not in parent delegation
A2620:4d:4000:6259:7:5:0:3πŸ‡ΊπŸ‡Έ NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p05.nsone.net
A198.51.44.69πŸ‡ΊπŸ‡Έ NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p05.nsone.net
NSdns4.p05.nsone.net ⚠️ Not in parent delegation
A2a00:edc0:6259:7:5::4πŸ‡ΊπŸ‡Έ NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p05.nsone.net
A198.51.45.69πŸ‡ΊπŸ‡Έ NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p05.nsone.net
NSns01.squarespacedns.com ⚠️ Not in parent delegation
A45.54.22.1πŸ‡ΊπŸ‡Έ NETACTUATE45.54.22.0/24
PTRns01.squarespacedns.com
NSns02.squarespacedns.com ⚠️ Not in parent delegation
A45.54.22.65πŸ‡ΊπŸ‡Έ NETACTUATE45.54.22.0/24
PTRns02.squarespacedns.com
NSns03.squarespacedns.com ⚠️ Not in parent delegation
A45.54.22.129πŸ‡ΊπŸ‡Έ NETACTUATE45.54.22.0/24
PTRns03.squarespacedns.com
NSns04.squarespacedns.com ⚠️ Not in parent delegation
A45.54.22.193πŸ‡ΊπŸ‡Έ NETACTUATE45.54.22.0/24
PTRns04.squarespacedns.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c03::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A142.250.101.27πŸ‡ΊπŸ‡Έ Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1aπŸ‡¨πŸ‡± Google2800:3f0:4003::/48
A108.177.123.26πŸ‡ΊπŸ‡Έ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26πŸ‡ΊπŸ‡Έ Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1aπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26πŸ‡ΊπŸ‡Έ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTbrevo-code:0669d368780b4027d57fbeae9e484943
TXTgoogle-site-verification=1y4wiAHn4s1mZdpWCI2bjsinr0nIltWnCzu9CHCRtoA
TXTv=spf1 include:dc-aa8e722993._spfm.sperostudio.com ~all
SOAdns1.p01.nsone.nethostmaster@nsone.net serial=1731368764

com

Same first word

Similar names

DNS History

54 records (20 active, 34 former)

20162017201820192020202120222023202420252026NSconnect1.squarespacedns.comconnect2.squarespacedns.comdns1.p01.nsone.netdns1.p05.nsone.netdns2.p05.nsone.netdns3.p05.nsone.netdns4.p05.nsone.netns01.squarespacedns.comns02.squarespacedns.comns03.squarespacedns.comns04.squarespacedns.comns2.vpweb.comns3.vpweb.comns4.vpweb.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.sperostudio.com.cust.b.hostedemail.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.145176.34.103.58176.34.122.252176.34.188.123176.34.225.238176.34.232.209176.34.249.151176.34.251.226176.34.98.10046.137.105.17946.137.110.21546.137.176.13546.137.81.22554.217.236.17854.217.250.16154.228.192.19054.228.206.1554.228.214.12254.228.229.11554.228.231.15254.246.118.19754.246.118.6854.246.123.13854.246.83.4554.247.173.13054.247.98.16454.75.224.24854.75.238.3054.75.245.17879.125.105.7679.125.109.53
●NSconnect1.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSconnect2.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSdns1.p01.nsone.net2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSdns1.p05.nsone.net2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSdns2.p05.nsone.net2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSdns3.p05.nsone.net2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSdns4.p05.nsone.net2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSns01.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSns02.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSns03.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●NSns04.squarespacedns.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
β—‹NSns2.vpweb.com2015-06-04 β†’ 2016-11-28 Β· 4 obs
● 2015-06-04 21:51:34
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹NSns3.vpweb.com2015-06-04 β†’ 2016-11-28 Β· 4 obs
● 2015-06-04 21:51:34
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹NSns4.vpweb.com2015-06-04 β†’ 2016-11-28 Β· 4 obs
● 2015-06-04 21:51:34
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
●MXalt1.aspmx.l.google.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●MXalt2.aspmx.l.google.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●MXalt3.aspmx.l.google.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●MXalt4.aspmx.l.google.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●MXaspmx.l.google.com2026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
β—‹MXmx.sperostudio.com.cust.b.hostedemail.com2015-06-04 β†’ 2016-04-19 Β· 4 obs
● 2015-06-04 21:51:34
● 2016-04-19 19:40:38
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A176.34.103.582015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A176.34.122.2522016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A176.34.188.1232016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A176.34.225.2382016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A176.34.232.2092015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A176.34.249.1512016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A176.34.251.2262016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A176.34.98.1002016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
●A198.185.159.1442026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●A198.185.159.1452026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●A198.49.23.1442026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
●A198.49.23.1452026-03-03 β†’ 2026-05-14 Β· 3 obs
β—‹ 2017-09-29 20:34:58
● 2026-03-03 23:03:16
● 2026-05-14 11:55:32
β—‹A46.137.105.1792015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A46.137.110.2152015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A46.137.176.1352015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A46.137.81.2252015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32
β—‹A54.217.236.1782016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A54.217.250.1612015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A54.228.192.1902015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A54.228.206.152015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32
β—‹A54.228.214.1222015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A54.228.229.1152016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A54.228.231.1522015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32
β—‹A54.246.118.1972015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A54.246.118.682015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32
β—‹A54.246.123.1382015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32
β—‹A54.246.83.452016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A54.247.173.1302015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A54.247.98.1642016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A54.75.224.2482015-12-24 β†’ 2015-12-24 Β· 4 obs
β—‹ 2015-10-22 01:55:30
● 2015-12-24 18:12:24
β—‹ 2016-04-19 19:40:38
β—‹ 2026-05-14 11:55:32
β—‹A54.75.238.302015-10-22 β†’ 2015-10-22 Β· 4 obs
β—‹ 2015-06-04 21:51:34
● 2015-10-22 01:55:30
β—‹ 2015-12-24 18:12:24
β—‹ 2026-05-14 11:55:32
β—‹A54.75.245.1782016-04-19 β†’ 2016-04-19 Β· 4 obs
β—‹ 2015-12-24 18:12:24
● 2016-04-19 19:40:38
β—‹ 2016-11-28 10:48:36
β—‹ 2026-05-14 11:55:32
β—‹A79.125.105.762016-11-28 β†’ 2016-11-28 Β· 4 obs
β—‹ 2016-04-19 19:40:38
● 2016-11-28 10:48:36
β—‹ 2017-09-29 20:34:58
β—‹ 2026-05-14 11:55:32
β—‹A79.125.109.532015-06-04 β†’ 2015-06-04 Β· 3 obs
● 2015-06-04 21:51:34
β—‹ 2015-10-22 01:55:30
β—‹ 2026-05-14 11:55:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
sperostudio.comconnect1.squarespacedns.com, connect2.squarespacedns.com2 records

βœ… Authoritative Response

Server:45.54.22.65

NS records: connect1.squarespacedns.com, connect2.squarespacedns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sperostudio.com (unsigned zone)

⏱️ Timing

Total: 330ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.144...
NS8dns1.p05.nsone.net, dns2.p05.nsone.net...
MX5alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)...
TXT3brevo-code:0669d368780b4027d57fbeae9e484, google-site-verification=1y4wiAHn4s1mZdp...
SOA1dns1.p01.nsone.net hostmaster.nsone.net

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (connect1.squarespacedns.com, connect2.squarespacedns.com)

Analysis

IP Addresses

Four IP numbers are pointed to by sperostudio.com: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

other host names including whimsicolestudio.com, standwa.org, not2nay.com, cashoffersc.com and enactusuki.org share IP numbers with sperostudio.com.

Name Servers

sperostudio.com delegates to eleven name servers: connect1.squarespacedns.com, connect2.squarespacedns.com, ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns1.p01.nsone.net, dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net and dns4.p05.nsone.net.

sperostudio.com at least partially shares name servers with other domains, for instance geoffreyhoskinson.com, juliamarion.com, highupfilms.com, chaostheory.design and malwinasuwinska.com.

These name servers are commonly used with the following name servers: dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns2.p07.nsone.net, dns4.p07.nsone.net, dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net and dns1.p07.nsone.net.

Host names with two IP numbers

The host name dns1.p01.nsone.net resolves to: 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1.

The host name dns1.p05.nsone.net resolves to: 2620:4d:4000:6259:7:5:0:1 and 198.51.44.5.

The host name dns2.p05.nsone.net resolves to: 2a00:edc0:6259:7:5::2 and 198.51.45.5.

The host name dns3.p05.nsone.net resolves to: 2620:4d:4000:6259:7:5:0:3 and 198.51.44.69.

The host name dns4.p05.nsone.net resolves to: 2a00:edc0:6259:7:5::4 and 198.51.45.69.

Host names with one IP number

The host name connect1.squarespacedns.com resolves to: 198.51.45.6.

The host name connect2.squarespacedns.com resolves to: 45.54.22.65.

The host name ns01.squarespacedns.com resolves to: 45.54.22.1.

The host name ns02.squarespacedns.com resolves to: 45.54.22.65.

The host name ns03.squarespacedns.com resolves to: 45.54.22.129.

The host name ns04.squarespacedns.com resolves to: 45.54.22.193.

Host names that resolve to 45.54.22.65: connect2.squarespacedns.com and ns02.squarespacedns.com.

Mail Servers

sperostudio.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

sperostudio.com shares some mail servers with other domains, at least partially, for instance ns500698.ns500759.ns500698.ns500735.ns500698.ns500736.ns500736.ns500736.ns500735.ns500708.ns500698.ns500619.ns500576.ns500576.trackreceptor.com, ns500765.ns500699.ns500734.ns500734.ns500693.ns500588.ns500699.ns500612.ns500612.ns500632.ns500612.ns500578.ns500110.dtrkdll.com, ns500671.ns500671.ns500704.ns500704.ns500671.ns500649.ns500671.ns500291.ns500649.ns500153.tenderladiesbz.com, ns500742.ns500731.ns500754.ns500704.ns500704.ns500704.ns500678.ns500671.ns500705.ns500688.ns500649.ns500671.ns500291.ns500291.ns500131.lustychickser.com and ns500671.ns500731.ns500754.ns500742.ns500754.ns500742.ns500731.ns500705.ns500705.ns500704.ns500291.ns500649.tenderladiesbz.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c03::1a and 142.250.101.27

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

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26

alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1b and 192.178.209.26