xtension.dk

📜 Historical scan 2026-07-13 01:54:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xtension.dk is a .dk domain served by 2 nameservers (danica.ns.cloudflare.com, sri.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 2.106.187.13 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.brygger.dk. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
danica.ns.cloudflare.com	108.162.194.187 162.159.38.187 172.64.34.187 2606:4700:50::a29f:26bb 2803:f800:50::6ca2:c2bb 2a06:98c1:50::ac40:22bb	danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com danica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2.106.187.13	300s	2-106-187-13-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	2.104.0.0/14	🇩🇰 Denmark	Bagsværd

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.brygger.dk	172.232.141.241	mail.brygger.dk	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.brygger.dk → 172.232.141.241
🔶 Autoconfig	mail.brygger.dk → 172.232.141.241

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 104ms

Service	Weight	Port	Target
_autodiscover._tcp	1	443	mail.brygger.dk
_imap._tcp	1	143	mail.brygger.dk
_imaps._tcp	1	993	mail.brygger.dk

📝 TXT Records#

1 records 216ms

TXT Record
v=spf1 ip4:172.232.141.241 -all

✉️ SPF#

Policy	Record (xtension.dk)
-all (hard fail)	v=spf1 ip4:172.232.141.241 -all

📨 DMARC#

Policy	Record (_dmarc.xtension.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:dmarc@xtension.dk;ruf=mailto:dmarc@xtension.dk;adkim=s;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 2026-10-15 02:52:30

www CNAME	xtension.dk (all on xtension.dk) → 2.106.187.13 (AS3292)
www vs bare domain	Same network xtension.dk: 2.106.187.13 (AS3292) www.xtension.dk: 2.106.187.13 (AS3292)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 68ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.brygger.dk	DANE-EE · SPKI · SHA-256	3391386CB0EB79092A16769A3F3D46AF…

🔐 DNSSEC#

125ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2409237540
Primary NS (MNAME)	danica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

36ms

38ms

44ms

AAAA

50ms

TXT

216ms

CAA

34ms

HTTPS

39ms

TLSA

68ms

SOA

0ms

MTA-STS

72ms

DNSSEC

125ms

SRV

104ms

Total

808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 02:52:30	460ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 18:30:27	1930ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 18:15:18	717ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 16:14:19	689ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 11:44:33	3792ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-31 23:13:11	580ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-30 19:03:34	1638ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 21:01:19	698ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 14:25:50	2740ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-25 02:29:57	9864ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-20 23:45:00	10459ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-13 01:54:09 shown	808ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-30 14:25:06	985ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 03:45:57	1205ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 17:23:22	863ms	2 NS 1 A 1 MX	🔓 Insecure