xdc.dk

📜 Historical scan 2026-09-04 03:23:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xdc.dk is a .dk domain served by 2 nameservers (cory.ns.cloudflare.com, reza.ns.cloudflare.com). It was registered on 3 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.12.20 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by xdc-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 24ms

Nameserver	IP addresses	PTR	ASN / ISP
cory.ns.cloudflare.com	108.162.193.93 172.64.33.93 173.245.59.93 2606:4700:58::adf5:3b5d 2803:f800:50::6ca2:c15d 2a06:98c1:50::ac40:215d	cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com cory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
reza.ns.cloudflare.com	108.162.192.217 172.64.32.217 173.245.58.217 2606:4700:50::adf5:3ad9 2803:f800:50::6ca2:c0d9 2a06:98c1:50::ac40:20d9	reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com reza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

3 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.12.20	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.13.20	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.75.137	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	xdc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::4 2a01:111:f403:ca48::10 2a01:111:f403:ca48::12 52.101.103.140 52.101.103.39 52.101.209.153 52.101.68.5	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.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	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

3 records 23ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:c14	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:d14	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4b89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records#

1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.12.20,104.26.13.20,172.67.75.137 ipv6hint=2606:4700:20::681a:c14,2606:4700:20::681a:d14,2606:4700:20::ac43:4b89

🔌 SRV Records#

1 records 51ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

6 records 144ms

TXT Record
bhp5hd78z311xpqtb41dmrmjjnk3klxj
bw=zkSgxzx6Ep4mxHtDHmhoLo9s4AgGMXe5Pb4ardi0545D
google-site-verification=o76kcKjLp2bWnOBYRm9iPedmQNo4yff38KTgGHZUDeM
ms-domain-verification=57c045cf-aaed-4c40-80b8-b976d661c1b8
ms-domain-verification=92b97ff3-bfc2-4957-9ece-dba29bb69f42
v=spf1 ip4:62.70.4.47 ip4:91.189.202.180 ip4:91.189.202.178 include:spf.protection.outlook.com include:spf.mailjet.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:spf.curanet.dk -all

✉️ SPF#

Policy	Record (xdc.dk)
-all (hard fail)	v=spf1 ip4:62.70.4.47 ip4:91.189.202.180 ip4:91.189.202.178 include:spf.protection.outlook.com include:spf.mailjet.com include:spf.emailsignatures365.com include:spf.mandrillapp.com include:spf.curanet.dk -all

📨 DMARC#

Policy	Record (_dmarc.xdc.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:d3d154cb20a943bfa69a563746a1df03@dmarc-reports.cloudflare.net; aspf=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 2026-10-18 06:57:13

www	104.26.12.20 104.26.13.20 172.67.75.137 2606:4700:20::681a:c14 2606:4700:20::681a:d14 2606:4700:20::ac43:4b89 (AS13335) (address records, no CNAME)
www vs bare domain	Same network xdc.dk: 104.26.12.20 104.26.13.20 172.67.75.137 2606:4700:20::681a:c14 (AS13335) www.xdc.dk: 104.26.12.20 104.26.13.20 172.67.75.137 2606:4700:20::681a:c14 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-xdc-dk._domainkey.xdcgruppenas.onmicrosoft.com	RSA · ~1024 bit below 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: 7/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.xdc.dk	9-EV93m4AwmVhxbOyUygrCuQ25_9RkbvfVhr-p_wXj8
TXT	_acme-challenge.xdc.dk	oCs_gLQNx2pb345BupM3d0EiAbPrT8f1PGNTAIqPvdE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

96ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413869694
Primary NS (MNAME)	cory.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 07:25:52

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-06-03
Expires	2027-06-30 (253d)

🔗 Same registrant#

14 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).

Domain	Registrar
documagic.dk	Punktum dk A/S (direct)
dokumatic.dk	Punktum dk A/S (direct)
dokumatik.dk	Punktum dk A/S (direct)
ithostingpartner.dk	Punktum dk A/S (direct)
ithp.dk	Punktum dk A/S (direct)
jocumatic.dk	Punktum dk A/S (direct)
mathiesenas.dk	Punktum dk A/S (direct)
oneprintsolution.dk	Punktum dk A/S (direct)
scriptor.dk	Punktum dk A/S (direct)
sharpdc.dk	Punktum dk A/S (direct)
smarttoner.dk	Punktum dk A/S (direct)
tonerbestilling.dk	Punktum dk A/S (direct)
xdchosting.dk	Punktum dk A/S (direct)
xdcm365.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

24ms

31ms

29ms

AAAA

23ms

TXT

144ms

CAA

25ms

HTTPS

25ms

TLSA

182ms

SOA

0ms

MTA-STS

42ms

DNSSEC

96ms

SRV

51ms

Total

829ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 06:57:13	2318ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-03 09:20:48	2200ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-25 07:46:00	1088ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-24 07:26:18	1393ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-13 18:44:35	2507ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-11 05:10:02	1850ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-04 03:23:29 shown	829ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-30 16:30:38	920ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-11 23:22:39	8495ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-08 02:52:10	2196ms	2 NS 3 A 1 MX	🔒 Secure
2026-08-04 20:47:52	2098ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-28 13:09:16	2510ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-23 04:29:42	1734ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-18 16:42:07	3644ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-16 04:11:05	17567ms	2 NS 3 A 1 MX	🔒 Secure
2026-07-13 05:05:41	1327ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-25 00:11:20	2016ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-20 06:32:32	2282ms	2 NS 3 A 1 MX	🔒 Secure
2026-06-18 06:44:57	1082ms	2 NS 3 A 1 MX	🔒 Secure