onlinemastering.dk

📜 Historical scan 2026-08-23 18:30:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlinemastering.dk is a .dk domain served by 2 nameservers (jose.ns.cloudflare.com, linda.ns.cloudflare.com). It was registered on 19 January 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.255.116.53 is hosted by The Infrastructure Group B.V. (AS60404) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 76ms

Nameserver	IP addresses	PTR	ASN / ISP
jose.ns.cloudflare.com	108.162.195.88 162.159.44.88 172.64.35.88 2606:4700:58::a29f:2c58 2803:f800:50::6ca2:c358 2a06:98c1:50::ac40:2358	jose.ns.cloudflare.com jose.ns.cloudflare.com jose.ns.cloudflare.com jose.ns.cloudflare.com jose.ns.cloudflare.com jose.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
linda.ns.cloudflare.com	108.162.192.250 172.64.32.250 173.245.58.250 2606:4700:50::adf5:3afa 2803:f800:50::6ca2:c0fa 2a06:98c1:50::ac40:20fa	linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com linda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.255.116.53	300s	zorkvps.zorkweb.dk	AS60404	The Infrastructure Group B.V.	5.255.96.0/19	🇳🇱 The Netherlands	Dronten

📧 MX Records#

5 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 64.233.165.26	lu-in-f27.1e100.net lu-in-x1b.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 269ms

TXT Record
v=spf1 ip4:5.255.116.53 a mx include:_spf.google.com ~all

✉️ SPF#

Policy	Record (onlinemastering.dk)
~all (soft fail)	v=spf1 ip4:5.255.116.53 a mx include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 03:18:37

www CNAME	onlinemastering.dk (all on onlinemastering.dk) → 5.255.116.53 (AS60404)
www vs bare domain	Same network onlinemastering.dk: 5.255.116.53 (AS60404) www.onlinemastering.dk: 5.255.116.53 (AS60404)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.onlinemastering.dk	NWDwvQToSa9NtLLvhVktEVC2HfB541vU7q0oqKeSkQA
TXT	_acme-challenge.onlinemastering.dk	kg_4XJAog3DMpjVhLIj9DiYVu_GuYJ81gnX_9o2NYrU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

142ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2412953784
Primary NS (MNAME)	jose.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 21:41:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-01-19
Expires	2027-01-31 (103d)

🔗 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).

Domain	Registrar
ultimatesid.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

76ms

75ms

82ms

AAAA

52ms

TXT

269ms

CAA

116ms

HTTPS

73ms

TLSA

271ms

SOA

0ms

MTA-STS

122ms

DNSSEC

142ms

SRV

122ms

Total

2401ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 03:18:37	3098ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-02 17:01:05	740ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-27 13:00:18	761ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-20 09:13:28	836ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-18 11:38:14	2841ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-11 09:50:39	1161ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-01 02:53:31	1524ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-24 19:51:55	1073ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-23 18:30:05 shown	2401ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-22 17:54:56	9149ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 16:35:33	5469ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-31 00:15:29	9384ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-11 19:22:57	1519ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-06 02:15:05	6469ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 08:15:13	1466ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-21 07:38:58	1054ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:15:27	1253ms	2 NS 1 A 5 MX	🔒 Secure