skelduz.dk

📜 Historical scan 2026-09-08 15:14:08  ·  ← 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 registered on 3 August 2025 (WHOIS) and 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   123ms
NameserverIP addressesPTRASN / 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   117ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   136ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s skelduz-dk.mail.protection.outlook.com 2a01:111:f403:ca04::4
2a01:111:f403:ca04::8
2a01:111:f403:ca09::3
2a01:111:f403:ca21::8
52.101.181.153
52.101.68.21
52.101.68.32
52.101.68.39		 mail-db4pr02cu00204.inbound.protection.outlook.com
mail-db5pr02cu00100.inbound.protection.outlook.com
mail-am6pr04cu00303.inbound.protection.outlook.com
mail-matpr04cu00100.inbound.protection.outlook.com
mail-wa4pr04cu00101.inbound.protection.outlook.com
mail-db4pr02cu00205.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-db7pr03cu00607.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#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records   95ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   94ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.3.177,172.67.153.149 ech=AEX+DQBBwAAgACCN7/X8ZS6gj57C5aR3PVZNdnJuxiFaid/wi/MLaHVTTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b1,2606:4700:3036::ac43:9995

🔌 SRV Records#

1 records   633ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com

📝 TXT Records#

1 records   246ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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 2026-10-21 17:29:31
www195.242.194.36 (AS33916) (address records, no CNAME)
www vs bare domainDifferent networks (all like this)
WildcardNo

🔎 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#

177ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414109855
Primary NS (MNAME)amit.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-21 13:58:16
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-08-03
Expires2030-08-02 (1379d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
stlarsen.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
123ms
A
117ms
MX
136ms
AAAA
95ms
TXT
246ms
CAA
119ms
HTTPS
94ms
TLSA
200ms
SOA
0ms
MTA-STS
126ms
DNSSEC
177ms
SRV
633ms
Total
2583ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 17:29:31 606ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 01:07:36 1105ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-08 15:14:08 shown 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 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone