sanderumhus.dk

📜 Historical scan 2026-08-26 00:46:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sanderumhus.dk is a .dk domain served by 2 nameservers (kristin.ns.cloudflare.com, nitin.ns.cloudflare.com). It was registered on 15 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.175 is hosted by Cloudflare, Inc. (AS13335). 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 48ms

Nameserver	IP addresses	PTR	ASN / ISP
kristin.ns.cloudflare.com	108.162.192.181 172.64.32.181 173.245.58.181 2606:4700:50::adf5:3ab5 2803:f800:50::6ca2:c0b5 2a06:98c1:50::ac40:20b5	kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com kristin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nitin.ns.cloudflare.com	108.162.193.215 172.64.33.215 173.245.59.215 2606:4700:58::adf5:3bd7 2803:f800:50::6ca2:c1d7 2a06:98c1:50::ac40:21d7	nitin.ns.cloudflare.com nitin.ns.cloudflare.com nitin.ns.cloudflare.com nitin.ns.cloudflare.com nitin.ns.cloudflare.com nitin.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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.175	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.71	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.93.175
🔶 Autoconfig	104.21.93.175

🔷 AAAA Records (IPv6)#

2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:5daf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d547	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 67ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.175,172.67.213.71 ech=AEX+DQBBcwAgACBHsaUCJ1dxRuGx7OGawJ1o7YPK6FUTyqwDJ3y3sJG9IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5daf,2606:4700:3035::ac43:d547

📝 TXT Records#

1 records 250ms

TXT Record
v=spf1 include:_u.sanderumhus.dk._spf.smart.ondmarc.com -all

✉️ SPF#

Policy	Record (sanderumhus.dk)
-all (hard fail)	v=spf1 include:_u.sanderumhus.dk._spf.smart.ondmarc.com -all

📨 DMARC#

Policy	Record (_dmarc.sanderumhus.dk)
p=reject	v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:7a2eb496@inbox.ondmarc.com; ruf=mailto:7a2eb496@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600

📬 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 2026-10-09 13:36:08

www	104.21.93.175 172.67.213.71 2606:4700:3031::6815:5daf 2606:4700:3035::ac43:d547 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sanderumhus.dk: 104.21.93.175 172.67.213.71 2606:4700:3031::6815:5daf 2606:4700:3035::ac43:d547 (AS13335) www.sanderumhus.dk: 104.21.93.175 172.67.213.71 2606:4700:3031::6815:5daf 2606:4700:3035::ac43:d547 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sanderumhus.dk	am8Ygt4jODrJIUnswHIvfzgBs1qeevJNtm4_63KEMC4
TXT	_acme-challenge.sanderumhus.dk	sT2gvkGtbqqREEDegobn2PLHMNChEk9zygltFTK0gY8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2117ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413005694
Primary NS (MNAME)	kristin.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 10:32:55

Field	Value
Registrar	DANDOMAIN A/S
Registered	2023-05-15
Expires	2027-05-14 (208d)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

61ms

51ms

AAAA

57ms

TXT

250ms

CAA

41ms

HTTPS

67ms

TLSA

66ms

SOA

0ms

MTA-STS

90ms

DNSSEC

2117ms

SRV

97ms

Total

3069ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:36:08	1115ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-07 10:23:12	904ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 09:15:08	569ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 21:53:34	600ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 23:39:50	656ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 04:01:18	590ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-11 13:13:06	1327ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 01:02:32	1734ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 01:50:39	586ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 00:46:46 shown	3069ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-24 19:30:15	642ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 14:43:05	879ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 12:53:24	1595ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 19:52:06	927ms	2 NS 2 A 0 MX	⚠️ Bogus