krf.dk

Records from scan: 2026-09-28 22:05:50 · 1676ms total · last checked 2026-10-19 05:08 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

krf.dk is a .dk domain served by 2 nameservers (pedro.ns.cloudflare.com, roxy.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.154 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by krf-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
pedro.ns.cloudflare.com	108.162.195.183 162.159.44.183 172.64.35.183 2606:4700:58::a29f:2cb7 2803:f800:50::6ca2:c3b7 2a06:98c1:50::ac40:23b7	pedro.ns.cloudflare.com pedro.ns.cloudflare.com pedro.ns.cloudflare.com pedro.ns.cloudflare.com pedro.ns.cloudflare.com pedro.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
roxy.ns.cloudflare.com	108.162.192.142 172.64.32.142 173.245.58.142 2606:4700:50::adf5:3a8e 2803:f800:50::6ca2:c08e 2a06:98c1:50::ac40:208e	roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.ns.cloudflare.com roxy.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.154	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.231	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	krf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::22 2a01:111:f403:ca21::e 2a01:111:f403:ca48::e 52.101.209.153 52.101.68.39 52.101.73.153 52.101.91.162	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:229a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cde7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.154,172.67.205.231 ech=AEX+DQBBjwAgACAIg8y+B1X3XcmPu8FWWC2/u0ut/Yj0K7y3EfIOd1F5NAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:229a,2606:4700:3033::ac43:cde7

🔌 SRV Records#

1 records 88ms

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

📝 TXT Records#

2 records 190ms

TXT Record
MS=ms21546401
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 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#

checked 2026-10-08 11:45:27

www	104.21.34.154 172.67.205.231 2606:4700:3032::6815:229a 2606:4700:3033::ac43:cde7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network krf.dk: 104.21.34.154 172.67.205.231 2606:4700:3032::6815:229a 2606:4700:3033::ac43:cde7 (AS13335) www.krf.dk: 104.21.34.154 172.67.205.231 2606:4700:3032::6815:229a 2606:4700:3033::ac43:cde7 (AS13335)
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

🔎 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#

118ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416109937
Primary NS (MNAME)	pedro.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#

40ms

39ms

60ms

AAAA

61ms

TXT

190ms

CAA

64ms

HTTPS

32ms

TLSA

887ms

SOA

0ms

MTA-STS

63ms

DNSSEC

118ms

SRV

88ms

Total

1676ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 22:05:50 shown	1676ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 13:19:15	2123ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-11 02:39:30	2787ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 15:02:13	1519ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 13:15:51	1851ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 05:21:04	2189ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 05:13:05	2010ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-25 14:58:00	3255ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-19 20:42:46	1974ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-01 08:59:57	1164ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-25 12:39:17	1302ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-24 12:08:04	1467ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 22:29:29	1701ms	2 NS 2 A 1 MX	🔒 Secure