swerts-knudsen.dk

Records from scan: 2026-10-03 13:55:39 · 705ms total · last checked 2026-10-17 00:28 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

swerts-knudsen.dk is a .dk domain served by 2 nameservers (kyree.ns.cloudflare.com, lady.ns.cloudflare.com). It was registered on 22 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.95 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.swerts-knudsen.dk, mailgw.sbshosting.dk. The zone is not DNSSEC-signed, publishes a 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
kyree.ns.cloudflare.com	108.162.195.207 162.159.44.207 172.64.35.207 2606:4700:58::a29f:2ccf 2803:f800:50::6ca2:c3cf 2a06:98c1:50::ac40:23cf	kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com kyree.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.95	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.217.106	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.swerts-knudsen.dk	185.181.223.122	pmg.swerts-knudsen.dk	AS203953 Hiper A/S
15	300s	mailgw.sbshosting.dk	5.57.55.126	mailgw.sbshosting.dk	AS198608 Symbion A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.217.106
🔶 Autoconfig	172.67.217.106

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d96a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:565f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.95,172.67.217.106 ech=AEX+DQBBBgAgACC0smk8WqGqmL4QxFOFLelCk1nFAHsNLgOatmXlLGwoQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d96a,2606:4700:3034::6815:565f

📝 TXT Records#

1 records 198ms

TXT Record
v=spf1 include:spf.sbshosting.dk ip4:185.181.223.122 -all

✉️ SPF#

Policy	Record (swerts-knudsen.dk)
-all (hard fail)	v=spf1 include:spf.sbshosting.dk ip4:185.181.223.122 -all

📨 DMARC#

Policy	Record (_dmarc.swerts-knudsen.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-03 13:55:39

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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#

51ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2416466941
Primary NS (MNAME)	kyree.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 14:03:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-07-22
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

35ms

AAAA

30ms

TXT

198ms

CAA

43ms

HTTPS

35ms

TLSA

69ms

SOA

36ms

MTA-STS

52ms

DNSSEC

51ms

SRV

67ms

Total

705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 13:55:39 shown	705ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-02 13:54:32	648ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-01 13:52:58	1058ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 13:50:44	1427ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-29 13:48:19	1013ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-26 13:24:23	1246ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-26 02:26:27	686ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 01:46:45	762ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-11 19:04:57	877ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-03 20:45:02	709ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-13 04:38:12	1298ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-19 04:23:53	1256ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-16 19:17:05	2814ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 16:10:18	817ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 16:19:06	1320ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-18 01:03:35	1121ms	2 NS 1 A 2 MX	🔒 Secure