k38.dk

📜 Historical scan 2026-10-03 17:47:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

k38.dk is a .dk domain served by 2 nameservers (bayan.ns.cloudflare.com, sky.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.113 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
bayan.ns.cloudflare.com	108.162.193.72 172.64.33.72 173.245.59.72 2606:4700:58::adf5:3b48 2803:f800:50::6ca2:c148 2a06:98c1:50::ac40:2148	bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com bayan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sky.ns.cloudflare.com	108.162.194.2 162.159.38.2 172.64.34.2 2606:4700:50::a29f:2602 2803:f800:50::6ca2:c202 2a06:98c1:50::ac40:2202	sky.ns.cloudflare.com sky.ns.cloudflare.com sky.ns.cloudflare.com sky.ns.cloudflare.com sky.ns.cloudflare.com sky.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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.113	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.144.179	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
2	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.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.
17	300s	route2.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.
71	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.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)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:90b3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4971	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.113,172.67.144.179 ech=AEX+DQBBAQAgACDkurau/n6Y6RYrLDDutvv6bXk4JInwIJ/gBmcL5BH/UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:90b3,2606:4700:3035::6815:4971

📝 TXT Records#

1 records 189ms

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

✉️ SPF#

Policy	Record (k38.dk)
-all (hard fail)	v=spf1 include:_spf.mx.cloudflare.net include:mxlogin.com -all

📨 DMARC#

Policy	Record (_dmarc.k38.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:1040b854380744baa60986416661e3a5@dmarc-reports.cloudflare.net; adkim=s; aspf=s;

📬 MTA-STS#

295ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20230505G000365
max_age	604800s
Policy MX	*.mx.cloudflare.net

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:info@k38.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 14:47:57

www	104.21.73.113 172.67.144.179 2606:4700:3034::ac43:90b3 2606:4700:3035::6815:4971 (AS13335) (address records, no CNAME)
www vs bare domain	Same network k38.dk: 104.21.73.113 172.67.144.179 2606:4700:3034::ac43:90b3 2606:4700:3035::6815:4971 (AS13335) www.k38.dk: 104.21.73.113 172.67.144.179 2606:4700:3034::ac43:90b3 2606:4700:3035::6815:4971 (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: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

9 records 81ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…

🔐 DNSSEC#

62ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2416517910
Primary NS (MNAME)	bayan.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#

43ms

37ms

60ms

AAAA

30ms

TXT

189ms

CAA

40ms

HTTPS

34ms

TLSA

81ms

SOA

40ms

MTA-STS

295ms

DNSSEC

62ms

SRV

65ms

Total

1271ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 14:47:56	707ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-03 17:47:51 shown	1271ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-22 23:55:57	1198ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-16 01:49:44	1487ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-12 23:35:34	1402ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-05 22:53:45	919ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-28 01:54:00	926ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-08 10:14:48	2451ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-12 02:26:00	9843ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 12:20:16	4114ms	2 NS 2 A 3 MX	🔓 Insecure