norfiber.dk

📜 Historical scan 2026-08-11 08:27:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

norfiber.dk is a .dk domain served by 2 nameservers (audrey.ns.cloudflare.com, lochlan.ns.cloudflare.com). It was registered on 13 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.68 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by norfiber-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
audrey.ns.cloudflare.com	108.162.194.66 162.159.38.66 172.64.34.66 2606:4700:50::a29f:2642 2803:f800:50::6ca2:c242 2a06:98c1:50::ac40:2242	audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lochlan.ns.cloudflare.com	108.162.195.234 162.159.44.234 172.64.35.234 2606:4700:58::a29f:2cea 2803:f800:50::6ca2:c3ea 2a06:98c1:50::ac40:23ea	lochlan.ns.cloudflare.com lochlan.ns.cloudflare.com lochlan.ns.cloudflare.com lochlan.ns.cloudflare.com lochlan.ns.cloudflare.com lochlan.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.74.68	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.200.43	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	norfiber-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 52.101.68.32 52.101.73.153 52.101.73.22 52.101.73.24	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 52.98.149.152
🔶 Autoconfig	172.67.200.43

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4a44	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:c82b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.74.68,172.67.200.43 ech=AEX+DQBBBgAgACCTZo/J8FneuxzM2DEpyOIWeTe1mQgeAIldCG9OfOQERAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4a44,2606:4700:3034::ac43:c82b

🔌 SRV Records#

1 records 75ms

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

📝 TXT Records#

2 records 212ms

TXT Record
MS=ms54675003
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (norfiber.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.norfiber.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:nv2dtvfy@ag.eu.dmarcadvisor.com;

📬 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 2026-10-13 00:56:28

www	104.21.74.68 172.67.200.43 2606:4700:3031::6815:4a44 2606:4700:3034::ac43:c82b (AS13335) (address records, no CNAME)
www vs bare domain	Same network norfiber.dk: 104.21.74.68 172.67.200.43 2606:4700:3031::6815:4a44 2606:4700:3034::ac43:c82b (AS13335) www.norfiber.dk: 104.21.74.68 172.67.200.43 2606:4700:3031::6815:4a44 2606:4700:3034::ac43:c82b (AS13335)
Wildcard	Yes: any name under the zone resolves
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-norfiber-dk._domainkey.trefor.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411834489
Primary NS (MNAME)	audrey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 09:19:26

Field	Value
Registrar	A/S SCANNET
Registered	2024-09-13
Expires	2027-09-12 (326d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

42ms

AAAA

49ms

TXT

212ms

CAA

44ms

HTTPS

50ms

TLSA

713ms

SOA

0ms

MTA-STS

66ms

DNSSEC

103ms

SRV

75ms

Total

1969ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 09:02:36	3427ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 07:08:46	1101ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 20:27:54	9809ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 13:44:27	4640ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-06 11:31:54	773ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 09:31:43	1415ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-11 08:27:52 shown	1969ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 09:15:03	1685ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 07:36:02	18521ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 05:03:23	2562ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 16:44:00	3101ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 04:32:32	1570ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 21:28:08	934ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 10:36:27	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 05:27:37	1261ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 03:43:13	1436ms	2 NS 2 A 1 MX	🔓 Insecure