xdc.dk DNS records

🖥️ Nameservers2 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 Records3 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 Records1 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 Records1 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 Records1 records 51ms

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

📝 TXT Records6 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

🔏 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

24ms

A

31ms

MX

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
2026-09-04 03:23:29	829ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-30 16:30:38	920ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-11 23:22:39	8495ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-08 02:52:10	2196ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-04 20:47:52	2098ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-28 13:09:16	2510ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-23 04:29:42	1734ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-18 16:42:07	3644ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-16 04:11:05	17567ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-13 05:05:41	1327ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-25 00:11:20	2016ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-20 06:32:32	2282ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-18 06:44:57	1082ms	2 NS 3 A 1 MX	🔒 Secure	View