træfiber-isolering.dk xn--trfiber-isolering-srb.dk

📜 Historical scan 2026-08-20 10:23:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

træfiber-isolering.dk is a .dk domain served by 2 nameservers (archer.ns.cloudflare.com, gloria.ns.cloudflare.com). It was registered on 29 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.244 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 8051ms

Nameserver	IP addresses	PTR	ASN / ISP
archer.ns.cloudflare.com	108.162.195.136 162.159.44.136 172.64.35.136 2606:4700:58::a29f:2c88 2803:f800:50::6ca2:c388 2a06:98c1:50::ac40:2388	archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com archer.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
gloria.ns.cloudflare.com	108.162.194.16 162.159.38.16 172.64.34.16 2606:4700:50::a29f:2610 2803:f800:50::6ca2:c210 2a06:98c1:50::ac40:2210	gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.ns.cloudflare.com gloria.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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.244	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.243	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.48.244
🔶 Autoconfig	104.21.48.244

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:8af3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:30f4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.244,172.67.138.243 ech=AEX+DQBBFwAgACDCuYOz2VyQXrExBn2+VkX34JA/Ywi/m52q4C9qDazsEgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:8af3,2606:4700:3036::6815:30f4

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 05:12:04

www	104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network træfiber-isolering.dk: 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) www.træfiber-isolering.dk: 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

190ms

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

🏷️ SOA#

59ms

Field	Value
Serial	2409884358
Primary NS (MNAME)	archer.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 20:11:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-07-29
Expires	2027-07-28 (278d)

📋 WHOIS#

⏱️ Lookup Timing#

8051ms

57ms

61ms

AAAA

49ms

TXT

17245ms

CAA

8041ms

HTTPS

43ms

TLSA

177ms

SOA

59ms

MTA-STS

61ms

DNSSEC

190ms

SRV

123ms

Total

33975ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 22:38:27	9429ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-16 10:04:32	9987ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 19:13:39	650ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 16:10:23	527ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 10:23:50 shown	33975ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 22:17:42	875ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 05:07:11	718ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-24 08:02:33	1116ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:16:08	2865ms	2 NS 2 A 0 MX	🔒 Secure