skelduz.dk

📜 Historical scan 2026-07-01 22:18:23 · ← 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 193ms

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 208ms

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 247ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	skelduz-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.68.0 52.101.68.32 52.101.73.4 52.101.73.8	mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am0pr04cu00500.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 176ms

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 160ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.177,172.67.153.149 ech=AEX+DQBBKAAgACCMoC4r7Y5nAhwoEJW16VxB3MqUU6mzlHRlFwYOjoogPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b1,2606:4700:3036::ac43:9995

🔌 SRV Records#

1 records 279ms

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

📝 TXT Records#

1 records 730ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

306ms

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	2408421930
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#

193ms

208ms

247ms

AAAA

176ms

TXT

730ms

CAA

238ms

HTTPS

160ms

TLSA

460ms

SOA

0ms

MTA-STS

244ms

DNSSEC

306ms

SRV

279ms

Total

3481ms

🕐 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	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 shown	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