itc.dk

📜 Historical scan 2026-07-20 19:01:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itc.dk is a .dk domain served by 2 nameservers (maleah.ns.cloudflare.com, steven.ns.cloudflare.com). It was registered on 20 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.113 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by itc-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
maleah.ns.cloudflare.com	108.162.194.118 162.159.38.118 172.64.34.118 2606:4700:50::a29f:2676 2803:f800:50::6ca2:c276 2a06:98c1:50::ac40:2276	maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com maleah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
steven.ns.cloudflare.com	108.162.195.17 162.159.44.17 172.64.35.17 2606:4700:58::a29f:2c11 2803:f800:50::6ca2:c311 2a06:98c1:50::ac40:2311	steven.ns.cloudflare.com steven.ns.cloudflare.com steven.ns.cloudflare.com steven.ns.cloudflare.com steven.ns.cloudflare.com steven.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.113	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.243	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	itc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.5 52.101.73.19 52.101.73.4	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.26.113
🔶 Autoconfig	104.21.26.113

🔷 AAAA Records (IPv6)#

2 records 101ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1a71	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:87f3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.113,172.67.135.243 ech=AEX+DQBBYgAgACBJDfd0WLRJutE8i0L+F2ZcLnO4DqS0HYRhdEVc30emTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1a71,2606:4700:3036::ac43:87f3

🔌 SRV Records#

1 records 125ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 471ms

TXT Record
v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:g6figa0wzl.powerspf.com include:%{l}._spf.itc.dk -all

✉️ SPF#

Policy	Record (itc.dk)
-all (hard fail)	v=spf1 include:_spf.mailersend.net include:spf.protection.outlook.com include:g6figa0wzl.powerspf.com include:%{l}._spf.itc.dk -all

📨 DMARC#

Policy	Record (_dmarc.itc.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=quarantine; pct=100; aspf=s; adkim=r; rua=mailto:87c4886e254945d6921a9225b1760339@dmarc-reports.cloudflare.net,mailto:6mmle9hqzh@rua.powerdmarc.com; ruf=mailto:6mmle9hqzh@ruf.powerdmarc.com; fo=0:1:d:s

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 16:37:17

www	104.21.26.113 172.67.135.243 2606:4700:3034::6815:1a71 2606:4700:3036::ac43:87f3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network itc.dk: 104.21.26.113 172.67.135.243 2606:4700:3034::6815:1a71 2606:4700:3036::ac43:87f3 (AS13335) www.itc.dk: 104.21.26.113 172.67.135.243 2606:4700:3034::6815:1a71 2606:4700:3036::ac43:87f3 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u17228959.wl210.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u17228959.wl210.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-itc-dk._domainkey.itco365.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-itc-dk._domainkey.itco365.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

error include:g6figa0wzl.powerspf.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

215ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2410019293
Primary NS (MNAME)	maleah.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 17:14:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-12-20
Expires	2029-12-31 (1167d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

58ms

68ms

50ms

AAAA

101ms

TXT

471ms

CAA

55ms

HTTPS

49ms

TLSA

181ms

SOA

0ms

MTA-STS

64ms

DNSSEC

215ms

SRV

125ms

Total

1578ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 16:37:17	1169ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-15 15:20:45	3274ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 09:28:57	1166ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 07:29:46	935ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-11 08:22:19	2718ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-04 06:36:21	1471ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-16 18:36:25	1548ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-13 23:15:45	2067ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-27 02:55:35	2792ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 19:01:41 shown	1578ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 22:47:41	1375ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-28 08:17:06	1047ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 03:06:40	1387ms	2 NS 2 A 1 MX	🔒 Secure