`iofc.dk`

DNSSEC	⚠️ Not signed
NS	`ns01.one.com` ⚠️ Not in zone NS records
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com` ⚠️ Not in zone NS records
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`

`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 1781665921localtime Wed Jun 17 05:12:01 2026gmtime Wed Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1781665921

WOT: SAFE (68/100)

Same first word

iofc.org.uk

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iofc.de

iofc.org

iofc.au

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iofc.ch

iofc.com

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iofc.international

iofc.in

iofc.no

iofc.dk

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DNS History

6 records (2 active, 4 former)

●NSns01.one.com2015-07-03 → 2026-06-17 · 2 obs

● 2015-07-03 14:27:04
● 2026-06-17 03:39:14

●NSns02.one.com2015-07-03 → 2026-06-17 · 2 obs

● 2015-07-03 14:27:04
● 2026-06-17 03:39:14

○MXmxcluster1.one.com2015-07-03 → 2017-03-25 · 4 obs

● 2015-07-03 14:27:04
● 2017-03-25 19:21:18
○ 2026-06-14 17:03:10
○ 2026-06-17 03:39:14

○MXmxcluster2.one.com2015-07-03 → 2017-03-25 · 4 obs

● 2015-07-03 14:27:04
● 2017-03-25 19:21:18
○ 2026-06-14 17:03:10
○ 2026-06-17 03:39:14

○A46.30.212.1362015-07-03 → 2016-05-13 · 4 obs

● 2015-07-03 14:27:04
● 2016-05-13 10:42:36
○ 2016-07-14 12:12:14
○ 2026-06-17 03:39:14

○A46.30.213.682016-07-14 → 2017-03-25 · 5 obs

○ 2016-05-13 10:42:36
● 2016-07-14 12:12:14
● 2017-03-25 19:21:18
○ 2026-06-14 17:03:10
○ 2026-06-17 03:39:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, b.nic.dk, c.nic.dk, h.nic.dk...	-
iofc.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for iofc.dk

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

Two name servers handle the delegation for iofc.dk: ns01.one.com and ns02.one.com.

iofc.dk has the same name server delegation as a number of other domains, such as styhre.com, djerf.dk, odakradata.se and two more.

ns01.one.com and ns02.one.com both carry two IP addresses. The A records for ns01.one.com are 195.206.121.10 and 2001:67c:28cc::10; the A records for ns02.one.com are 185.10.11.10 and 2001:67c:3c0::10.

iofc.dk - robtex.com

iofc.dk

dk