skelduz.dk

📜 Historical scan 2026-08-29 04:47:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skelduz.dk is a .dk domain served by 2 nameservers (amit.ns.cloudflare.com, mona.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.3.177 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by skelduz-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 25ms

Nameserver	IP addresses	PTR	ASN / ISP
amit.ns.cloudflare.com	108.162.193.63 172.64.33.63 173.245.59.63 2606:4700:58::adf5:3b3f 2803:f800:50::6ca2:c13f 2a06:98c1:50::ac40:213f	amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com amit.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mona.ns.cloudflare.com	108.162.192.206 172.64.32.206 173.245.58.206 2606:4700:50::adf5:3ace 2803:f800:50::6ca2:c0ce 2a06:98c1:50::ac40:20ce	mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.177	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.149	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	skelduz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::b 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.16 52.101.68.32 52.101.73.30	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3b1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9995	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.177,172.67.153.149 ech=AEX+DQBBSAAgACDloa2eUxFnTrNkysPJSBndkuEgFcsOir9jlyeImsoFLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b1,2606:4700:3036::ac43:9995

🔌 SRV Records#

1 records 63ms

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

📝 TXT Records#

1 records 158ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.skelduz.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

📬 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 2026-10-15 15:57:08

www	195.242.194.36 (AS33916) (address records, no CNAME)
www vs bare domain	Different networks skelduz.dk: 104.21.3.177 172.67.153.149 2606:4700:3031::6815:3b1 2606:4700:3036::ac43:9995 (AS13335) www.skelduz.dk: 195.242.194.36 (AS33916) (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.skelduz.dk	e_CpPkWX52_hg4Wyv3wT1729jMBrt0niezfc_6OvLw4
TXT	_acme-challenge.skelduz.dk	vfKRIYv3DT2zw4NHd3Z5Gmz5D5q16asmc5k8fCeCZWc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms

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	2413412169
Primary NS (MNAME)	amit.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#

25ms

34ms

29ms

AAAA

26ms

TXT

158ms

CAA

33ms

HTTPS

26ms

TLSA

367ms

SOA

0ms

MTA-STS

47ms

DNSSEC

108ms

SRV

63ms

Total

946ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:07:36	1105ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 15:14:08	2583ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-30 08:25:37	1325ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 04:47:03 shown	946ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 11:46:49	1312ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 14:53:21	2181ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-01 22:18:23	3481ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 15:33:42	989ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 07:44:29	712ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 02:10:56	1287ms	2 NS 2 A 1 MX	🔓 Insecure