page21.com - robtex.com

page21.com

DNSSEC⚠️ Not signed
A172.245.16.32🇺🇸 Colocrossing-AS172.245.16.0/22 ColoCrossing
PTRrem-server-2.rempala.net
NSns1.he.net ⭐
A2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
A216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
NSns2.he.net
A2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
A216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
NSns3.he.net
A2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
A216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
NSns4.he.net
A2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
A216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
NSns5.he.net ⚠️ Not in parent delegation
A2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
A216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A142.250.31.27🇺🇸 Google142.250.31.0/24
PTRbj-in-f27.1e100.net
TXTv=spf1 +a +mx +ip4:172.245.16.32 +include:a._spf.rr.com +include:_spf.google....
SOAns1.he.nethostmaster@he.net 2024-02-11 #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=1778568446

Subdomains

mail.page21.com

Same first word

page21.org
page21.com
page21.eu

Similar names

21page.net
12page.de
21page.com

DNS History

21 records (7 active, 14 former)

20162017201820192020202120222023202420252026NSns1.he.netns2.he.netns3.he.netns4.he.netns5.he.netns1.jacksonville-services.comns2.jacksonville-services.comns3.jacksonville-services.comns4.jacksonville-services.comns5.jacksonville-services.comMXaspmx.l.google.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA172.245.16.3223.254.217.2212606:df00:2::1ebe:8f2769.85.89.77
●NSns1.he.net2020-03-10 → 2026-05-12 · 3 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
● 2026-05-12 07:00:08
○NSns1.jacksonville-services.com2015-05-27 → 2017-04-03 · 4 obs
● 2015-05-27 03:34:32
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08
●NSns2.he.net2020-03-10 → 2026-05-12 · 3 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
● 2026-05-12 07:00:08
○NSns2.jacksonville-services.com2015-05-27 → 2017-04-03 · 4 obs
● 2015-05-27 03:34:32
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08
●NSns3.he.net2020-03-10 → 2026-05-12 · 3 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
● 2026-05-12 07:00:08
○NSns3.jacksonville-services.com2015-05-27 → 2017-04-03 · 4 obs
● 2015-05-27 03:34:32
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08
●NSns4.he.net2020-03-10 → 2026-05-12 · 3 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
● 2026-05-12 07:00:08
○NSns4.jacksonville-services.com2015-05-27 → 2017-04-03 · 4 obs
● 2015-05-27 03:34:32
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08
●NSns5.he.net2020-03-10 → 2026-05-12 · 3 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
● 2026-05-12 07:00:08
○NSns5.jacksonville-services.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
○MXalt1.aspmx.l.google.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
○MXalt2.aspmx.l.google.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
●MXaspmx.l.google.com2015-05-27 → 2026-05-12 · 2 obs
● 2015-05-27 03:34:32
● 2026-05-12 07:00:08
○MXaspmx2.googlemail.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
○MXaspmx3.googlemail.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
○MXaspmx4.googlemail.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
○MXaspmx5.googlemail.com2015-05-27 → 2015-12-17 · 4 obs
● 2015-05-27 03:34:32
● 2015-12-17 13:09:54
○ 2016-03-18 17:56:06
○ 2026-05-12 07:00:08
●A172.245.16.322026-04-30 → 2026-05-12 · 3 obs
○ 2020-03-10 21:15:36
● 2026-04-30 12:57:48
● 2026-05-12 07:00:08
○A23.254.217.2212020-03-10 → 2020-03-10 · 4 obs
○ 2017-04-03 06:40:58
● 2020-03-10 21:15:36
○ 2026-04-30 12:57:48
○ 2026-05-12 07:00:08
○A2606:df00:2::1ebe:8f272016-03-18 → 2017-04-03 · 5 obs
○ 2015-05-27 03:34:32
● 2016-03-18 17:56:06
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08
○A69.85.89.772015-05-27 → 2017-04-03 · 4 obs
● 2015-05-27 03:34:32
● 2017-04-03 06:40:58
○ 2020-03-10 21:15:36
○ 2026-05-12 07:00:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...-
page21.comns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net-

✅ Authoritative Response

Server:216.66.1.2

NS records: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for page21.com (unsigned zone)

⏱️ Timing

Total: 1518ms | Queries: -

📄 Records

TypeCountSample Data
A1172.245.16.32
NS5ns5.he.net, ns3.he.net...
MX1aspmx.l.google.com (pri: 10)
TXT1v=spf1 +a +mx +ip4:172.245.16.32 +includ
SOA1ns1.he.net hostmaster.he.net

Analysis

Hierarchy

page21.com is the parent of mail.page21.com.

IP Addresses

page21.com points to a single IP number: 172.245.16.32.

other host names for instance rempala.net, rem-server-2.rempala.net, lancermediagroup.com, linscotttrains.com and mail.rempala.net share IP numbers with page21.com.

Name Servers

page21.com is delegated to five name servers: ns1.he.net, ns2.he.net, ns3.he.net, ns4.he.net and ns5.he.net.

page21.com at least partially shares name servers with other domains, for instance cantik.org, mnzgkranj.si, udiscgolf.com, sterphone.com and uniquelyyourshosting.com.

Hosts with two IP numbers:

ns1.he.net points to 2001:470:100::2 and 216.218.130.2.

ns2.he.net points to 2001:470:200::2 and 216.218.131.2.

ns3.he.net points to 2001:470:300::2 and 216.218.132.2.

ns4.he.net points to 2001:470:400::2 and 216.66.1.2.

ns5.he.net points to 2001:470:500::2 and 216.66.80.18.

Mail Servers

page21.com is handled by a single mail server, aspmx.l.google.com.

page21.com shares the same mail server setup as other domains, for instance fishandchips.lu, woodstock-wonen.com, abbviecare.co.nz, trinitystjohns.org and cecult.ufrb.edu.br.

page21.com shares mail servers with other domains at least partially, including functionalfoundry.com, ns500731.ns500731.ns500754.ns500731.ns500671.ns500731.ns500705.ns500705.ns500704.ns500678.ns500678.ns500678.lusty(0x736c7574)z.com, agnis.co, lewisatkinson.co.uk and ns500758.ns500698.ns500759.ns500736.ns500736.ns500708.ns500619.ns500576.ns500652.ns500619.ns500576.trackreceptor.com.

These mail servers are commonly used alongside alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host aspmx.l.google.com resolves to two IPs: 2607:f8b0:4004:c19::1b and 142.250.31.27.