borderlinebooks.org - robtex.com

borderlinebooks.org

DNSSEC⚠️ Not signed
A91.197.229.210🇬🇧 KUALO-AS91.197.228.0/22 KGIX Network / Zayo
PTR210-229-197-91.ldn.kgix.net
NSns1.kualo.net ⭐
A50.115.18.250🇺🇸 AS5386150.115.16.0/21 KGIX
PTRns1.kualo.net
NSns2.kualo.net
A2400:cb00:2049:1::a29f:1822🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns2.kualo.net
A162.159.24.34Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.kualo.net
NSns3.kualo.net
A2400:cb00:2049:1::a29f:19f7🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns3.kualo.net
A162.159.25.247Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.kualo.net
NSns4.kualo.net ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:1a99🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
PTRns4.kualo.net
A162.159.26.153Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns4.kualo.net
MXmail1.filteredmx.net ⭐
A50.115.17.101🇺🇸 AS5386150.115.16.0/21 KGIX
PTRtpa-srv1.filteredmx.net
A91.197.228.101🇬🇧 KUALO-AS91.197.228.0/22 KGIX Network / Zayo
PTRldn-srv1.filteredmx.net
MXmail2.filteredmx.net(20)
A50.115.17.103🇺🇸 AS5386150.115.16.0/21 KGIX
PTRtpa-srv3.filteredmx.net
A91.197.228.103🇬🇧 KUALO-AS91.197.228.0/22 KGIX Network / Zayo
PTRldn-srv3.filteredmx.net
MXmail3.filteredmx.net(30)
A50.115.17.104🇺🇸 AS5386150.115.16.0/21 KGIX
PTRtpa-srv4.filteredmx.net
A91.197.228.104🇬🇧 KUALO-AS91.197.228.0/22 KGIX Network / Zayo
PTRldn-srv4.filteredmx.net
TXTv=spf1 +a +mx +ip4:91.197.229.35 include:spf.filteredmx.net ~all
SOAns1.kualo.netserver_alerts_inbound@kualo.net 2026-03-13 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1774498760

Same first word

borderlinebooks.org

DNS History

14 records (8 active, 6 former)

20162017201820192020202120222023202420252026NSns1.kualo.netns2.kualo.netns3.kualo.netns4.kualo.netns1.widexs.nlns2.widexs.netns3.widexs.nlMXmail1.filteredmx.netmail2.filteredmx.netmail3.filteredmx.netmxa.mail.widexs.nlmxb.mail.widexs.nlA91.197.229.210213.206.99.110
●NSns1.kualo.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
○NSns1.widexs.nl2015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
●NSns2.kualo.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
○NSns2.widexs.net2015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
●NSns3.kualo.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
○NSns3.widexs.nl2015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
●NSns4.kualo.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
●MXmail1.filteredmx.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
●MXmail2.filteredmx.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
●MXmail3.filteredmx.net2026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04
○MXmxa.mail.widexs.nl2015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
○MXmxb.mail.widexs.nl2015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
○A213.206.99.1102015-08-06 → 2017-04-08 · 4 obs
● 2015-08-06 02:03:00
● 2017-04-08 09:52:16
○ 2026-02-28 09:04:36
○ 2026-03-26 04:30:04
●A91.197.229.2102026-02-28 → 2026-03-26 · 3 obs
○ 2017-04-08 09:52:16
● 2026-02-28 09:04:36
● 2026-03-26 04:30:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
borderlinebooks.orgns3.kualo.net, ns2.kualo.net, ns1.kualo.net-

✅ Authoritative Response

Server:50.115.18.250

NS records: ns3.kualo.net, ns2.kualo.net, ns1.kualo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for borderlinebooks.org (unsigned zone)

⏱️ Timing

Total: 904ms | Queries: -

📄 Records

TypeCountSample Data
A191.197.229.210
NS4ns4.kualo.net, ns3.kualo.net...
MX3mail2.filteredmx.net (pri: 20), mail1.filteredmx.net (pri: 10)...
TXT1v=spf1 +a +mx +ip4:91.197.229.35 include
SOA1ns1.kualo.net server_alerts_inbound.kual

Analysis

IP Addresses

borderlinebooks.org points to IP number 91.197.229.210.

For instance, other host names mail.leoncechenal.com, capelrig.org.uk, scottishleftreview.scot, shine-relief.org and truefood.coop share IP numbers with borderlinebooks.org.

Name Servers

borderlinebooks.org is delegated to four name servers: ns1.kualo.net, ns2.kualo.net, ns3.kualo.net and ns4.kualo.net.

borderlinebooks.org shares name servers with other domains at least partially, for example kromadesign.co.uk, nothingflash.co.uk, cpsd.co.uk, vintagescene.co.uk and oasis-sanctuary.org.

Hosts with two IP numbers

- Host ns2.kualo.net points to: 2400:cb00:2049:1::a29f:1822 and 162.159.24.34

- Host ns3.kualo.net points to: 2400:cb00:2049:1::a29f:19f7 and 162.159.25.247

- Host ns4.kualo.net points to: 2400:cb00:2049:1::a29f:1a99 and 162.159.26.153

Hosts with one IP number

- Host ns1.kualo.net points to: 50.115.18.250

Mail Servers

borderlinebooks.org is served by three mail servers: mail1.filteredmx.net, mail2.filteredmx.net and mail3.filteredmx.net.

borderlinebooks.org shares mail servers with other domains at least partially; for instance elfwoods.org, tortillahut.com, richardgreenwebdesign.co.uk.cdn.cloudflare.net, dbsilvisauthor.com and acresahead.co.uk.

Host names with two IPs:

mail1.filteredmx.net points to 50.115.17.101 and 91.197.228.101

mail2.filteredmx.net points to 50.115.17.103 and 91.197.228.103

mail3.filteredmx.net points to 50.115.17.104 and 91.197.228.104