1stclassadmin.com - robtex.com

1stclassadmin.com

DNSSEC⚠️ Not signed
A198.49.23.144🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
PTRip-198-49-23-144.defastlink.net
A198.49.23.145🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.144🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
A198.185.159.145🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US ✓ In HTTPS hints
NSns-cloud-b1.googledomains.com ⭐
A2001:4860:4802:32::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b1.googledomains.com
A216.239.32.107🇺🇸 Google216.239.32.0/24
PTRns-cloud-b1.googledomains.com
NSns-cloud-b2.googledomains.com
A2001:4860:4802:34::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b2.googledomains.com
A216.239.34.107🇺🇸 Google216.239.34.0/24
PTRns-cloud-b2.googledomains.com
NSns-cloud-b3.googledomains.com
A2001:4860:4802:36::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b3.googledomains.com
A216.239.36.107🇺🇸 Google216.239.36.0/24
PTRns-cloud-b3.googledomains.com
NSns-cloud-b4.googledomains.com
A2001:4860:4802:38::6b🇺🇸 Google2001:4860::/32
PTRns-cloud-b4.googledomains.com
A216.239.38.107🇺🇸 Google216.239.38.0/24
PTRns-cloud-b4.googledomains.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
HTTPSHTTP/2, HTTP/1.1 ✓ hints match
IPv4198.185.159.144, 198.185.159.145, 198.49.23.144, 198.49.23.145
SOAns-cloud-b1.googledomains.comcloud-dns-hostmaster@google.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

1stclassadmin.com

DNS History

17 records (12 active, 5 former)

20162017201820192020202120222023202420252026NSns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comns1.ipage.comns2.ipage.comMXalt1.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.1stclassadmin.comA198.185.159.144198.185.159.145198.49.23.144198.49.23.14566.96.147.11766.96.149.16
●NSns-cloud-b1.googledomains.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●NSns-cloud-b2.googledomains.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●NSns-cloud-b3.googledomains.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●NSns-cloud-b4.googledomains.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
○NSns1.ipage.com2015-06-16 → 2016-04-19 · 4 obs
● 2015-06-16 19:43:22
● 2016-04-19 17:36:24
○ 2017-02-07 23:12:44
○ 2026-03-24 01:58:38
○NSns2.ipage.com2015-06-16 → 2016-04-19 · 4 obs
● 2015-06-16 19:43:22
● 2016-04-19 17:36:24
○ 2017-02-07 23:12:44
○ 2026-03-24 01:58:38
●MXalt1.aspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●MXalt3.aspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●MXalt4.aspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●MXaspmx.l.google.com2026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
○MXmx.1stclassadmin.com2015-06-16 → 2016-04-19 · 4 obs
● 2015-06-16 19:43:22
● 2016-04-19 17:36:24
○ 2017-02-07 23:12:44
○ 2026-03-24 01:58:38
●A198.185.159.1442026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●A198.185.159.1452026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●A198.49.23.1442026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
●A198.49.23.1452026-03-24 → 2026-03-24 · 2 obs
○ 2017-02-07 23:12:44
● 2026-03-24 01:58:38
○A66.96.147.1172015-06-16 → 2015-11-03 · 4 obs
● 2015-06-16 19:43:22
● 2015-11-03 08:20:38
○ 2016-02-01 10:54:32
○ 2026-03-24 01:58:38
○A66.96.149.162016-02-01 → 2016-04-19 · 5 obs
○ 2015-11-03 08:20:38
● 2016-02-01 10:54:32
● 2016-04-19 17:36:24
○ 2017-02-07 23:12:44
○ 2026-03-24 01:58:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
1stclassadmin.comns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com8 records

✅ Authoritative Response

Server:216.239.38.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1stclassadmin.com (unsigned zone)

⏱️ Timing

Total: 382ms | Queries: -

📄 Records

TypeCountSample Data
A4198.185.159.145, 198.49.23.145...
NS4ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...
MX4alt3.aspmx.l.google.com (pri: 10), aspmx.l.google.com (pri: 1)...
HTTPS1{"priority":1,"target":".","alpn":["h2",
SOA1ns-cloud-b1.googledomains.com cloud-dns-

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

IP Addresses

1stclassadmin.com refers to four IP numbers: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance standardcharteredinvest.com, kingcardiac.com, boothofbass.com, superlakehouse.com and cpuclb.com share IP numbers with 1stclassadmin.com.

Name Servers

1stclassadmin.com delegates to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

1stclassadmin.com at least partially shares name servers with other domains, including enclavevillas.org, starbodyworks.in, pollspan.com, paulhowellinsurance.com and lonelynerdsclub.com.

These name servers are often used with ns1.mirusresearch.com and ns2.mir.us.

Host names with two IP numbers: ns-cloud-b1.googledomains.com points to 2001:4860:4802:32::6b and 216.239.32.107; ns-cloud-b2.googledomains.com points to 2001:4860:4802:34::6b and 216.239.34.107; ns-cloud-b3.googledomains.com points to 2001:4860:4802:36::6b and 216.239.36.107; ns-cloud-b4.googledomains.com points to 2001:4860:4802:38::6b and 216.239.38.107.

Mail Servers

1stclassadmin.com is handled by four mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

1stclassadmin.com shares at least some mail servers with other domains, for example barkeopticians.co.uk, spinflo.com.tw, conveni-sabor.com.br, ns500821.ns500794.ns500841.ns500794.ns500794.ns500821.ns500794.ns500790.lustypartnersfinder.com and funboat.pl.

These mail servers are commonly used with alt2.aspmx.l.google.com, 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:f8b0:4004:c19::1b and 172.253.62.27; alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26; alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26; alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.