`ch-tool.dk`

DNSSEC	⚠️ Not signed
A	86.52.24.209^{🇩🇰 Norlys-Fibernet86.52.0.0/16}
		PTR	`86-52-24-209.norlyscustomer.net`
NS	`primary.infoserv.dk` ⭐
		A	2a01:7e01::f03c:91ff:fe59:943d^{🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies}
		A	139.162.157.8^{🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies}
			PTR	`mail2.ishost.dk`
NS	`secondary.infoserv.dk`
		A	2a01:7e00::f03c:92ff:fe07:7dc2^{🇬🇧 AKAMAI-LINODE-AP2a01:7e00::/32 Akamai Technologies}
		A	139.162.227.162^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`li1512-162.members.linode.com`
MX	`mail.ishost.dk` ⭐
		A	139.162.148.133^{🇩🇪 AKAMAI-LINODE-AP139.162.128.0/19 Akamai Technologies}
			PTR	`mail.ishost.dk`
TXT	`v=spf1 mx a:mail.ishost.dk a:mail3.ishost.dk -all`
SOA	`primary.infoserv.dk`admin@infoserv serial=202510319

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1778330701localtime Sat May 9 14:45:01 2026gmtime Sat Ma...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1778330701

Same first word

ch-tool.dk

DNS History

6 records (4 active, 2 former)

●NSprimary.infoserv.dk2015-08-31 → 2026-05-09 · 2 obs

● 2015-08-31 18:17:26
● 2026-05-09 13:08:04

●NSsecondary.infoserv.dk2015-08-31 → 2026-05-09 · 2 obs

● 2015-08-31 18:17:26
● 2026-05-09 13:08:04

○MXmail.infoserv.dk2015-08-31 → 2017-01-16 · 4 obs

● 2015-08-31 18:17:26
● 2017-01-16 03:35:36
○ 2026-03-28 15:32:32
○ 2026-05-09 13:08:04

●MXmail.ishost.dk2026-03-28 → 2026-05-09 · 3 obs

○ 2017-01-16 03:35:36
● 2026-03-28 15:32:32
● 2026-05-09 13:08:04

○A217.195.185.132015-08-31 → 2017-01-16 · 4 obs

● 2015-08-31 18:17:26
● 2017-01-16 03:35:36
○ 2026-03-28 15:32:32
○ 2026-05-09 13:08:04

●A86.52.24.2092026-03-28 → 2026-05-09 · 3 obs

○ 2017-01-16 03:35:36
● 2026-03-28 15:32:32
● 2026-05-09 13:08:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
ch-tool.dk	primary.infoserv.dk, secondary.infoserv.dk	4 records

✅ Authoritative Response

Server:139.162.227.162

NS records: primary.infoserv.dk, secondary.infoserv.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ch-tool.dk (unsigned zone)

⏱️ Timing

Total: 602ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`86.52.24.209`
NS	2	`secondary.infoserv.dk, primary.infoserv.dk`
MX	1	`mail.ishost.dk (pri: 10)`
TXT	1	`v=spf1 mx a:mail.ishost.dk a:mail3.ishos`
SOA	1	`primary.infoserv.dk admin.infoserv`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (primary.infoserv.dk, secondary.infoserv.dk, primary.infoserv.dk...)

Analysis

IP Addresses

ch-tool.dk resolves to one IP number: 86.52.24.209.

Other host names including c-l.dk, 86-52-24-209.norlyscustomer.net, fundament.dk and www.c-l.dk share IP numbers with ch-tool.dk.

Name Servers

ch-tool.dk's delegation uses two name servers: primary.infoserv.dk and secondary.infoserv.dk.

ch-tool.dk uses the same name server setup as other domains, such as 6580.dk, biopix.dk, topserver.dk, dechoen.dk and disclosure.dk.

Host names with two IPs:

primary.infoserv.dk points to 2a01:7e01::f03c:91ff:fe59:943d and 139.162.157.8

secondary.infoserv.dk points to 2a01:7e00::f03c:92ff:fe07:7dc2 and 139.162.227.162

Mail Servers

A single mail server handles ch-tool.dk, mail.ishost.dk.

ch-tool.dk shares the same mail server setup as other domains, for instance uge.dk, greso.dk, infomail.dk, drewes.dk and ishost.dk.

Host name mail.ishost.dk resolves to a single IP: 139.162.148.133.

ch-tool.dk - robtex.com

ch-tool.dk

dk