xcom.dk

📜 Historical scan 2026-06-26 10:54:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xcom.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, gerald.ns.cloudflare.com). It was registered on 8 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.13.227.20 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by isaac.mx.cloudflare.net, linda.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
betty.ns.cloudflare.com	108.162.192.75 172.64.32.75 173.245.58.75 2606:4700:50::adf5:3a4b 2803:f800:50::6ca2:c04b 2a06:98c1:50::ac40:204b	betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com betty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gerald.ns.cloudflare.com	108.162.193.168 172.64.33.168 173.245.59.168 2606:4700:58::adf5:3ba8 2803:f800:50::6ca2:c1a8 2a06:98c1:50::ac40:21a8	gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com gerald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.13.227.20	300s	mahler.io	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records#

3 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
41	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
49	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
61	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 150ms

TXT Record
v=spf1 -all
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (xcom.dk)
-all (hard fail)	v=spf1 -all
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.xcom.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:flemming@mahler.io
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:flemming@mahler.io

📬 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 2026-10-15 15:55:00

www	104.21.50.112 172.67.205.214 2606:4700:3033::ac43:cdd6 2606:4700:3035::6815:3270 (AS13335) (address records, no CNAME)
www vs bare domain	Different networks xcom.dk: 49.13.227.20 (AS24940) www.xcom.dk: 104.21.50.112 172.67.205.214 2606:4700:3033::ac43:cdd6 2606:4700:3035::6815:3270 (AS13335) (all like this)
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#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 0/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

9 records 558ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

112ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

24ms

Field	Value
Serial	2407102334
Primary NS (MNAME)	betty.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 11:41:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-06-08
Expires	2028-06-30 (616d)

🔗 Same registrant#

1 domain

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
netfactory.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

44ms

41ms

AAAA

39ms

TXT

150ms

CAA

32ms

HTTPS

47ms

TLSA

558ms

SOA

24ms

MTA-STS

51ms

DNSSEC

112ms

SRV

75ms

Total

1708ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 15:55:00	1579ms	2 NS 1 A 3 MX	🔓 Insecure
2026-10-01 03:26:48	989ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-26 06:34:16	1713ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-25 06:17:44	1942ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-22 18:53:23	1198ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-12 04:43:28	1328ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-28 04:06:28	1102ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-03 19:40:13	2215ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-29 18:51:09	11445ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-11 21:20:54	1754ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-26 10:54:32 shown	1708ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-23 12:04:31	1153ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 07:47:24	1186ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 03:07:22	1088ms	2 NS 1 A 3 MX	🔓 Insecure