masterclassbychristinadreyer.dk

Records from scan: 2026-10-02 05:31:42 · 1205ms total · last checked 2026-10-17 05:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

masterclassbychristinadreyer.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 1 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 213ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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#

checked 2026-10-09 11:20:52

www	NXDOMAIN
www vs bare domain	Neither resolves masterclassbychristinadreyer.dk: no address www.masterclassbychristinadreyer.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

321ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

97ms

Field	Value
Serial	2026100100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 18:19:48

Field	Value
Registrar	Simply.com A/S
Registered	2021-11-01
Expires	2026-10-31 (13d)

🔗 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
cafeokay.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

213ms

98ms

160ms

AAAA

97ms

TXT

296ms

CAA

96ms

HTTPS

104ms

TLSA

78ms

SOA

97ms

MTA-STS

228ms

DNSSEC

321ms

SRV

224ms

Total

1205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 05:31:42 shown	1205ms	4 NS 0 A 0 MX	🔒 Secure
2026-10-01 05:21:49	275ms	4 NS 0 A 0 MX	🔒 Secure
2026-09-05 06:18:24	416ms	4 NS 0 A 0 MX	🔒 Secure
2026-08-27 13:16:43	442ms	4 NS 0 A 0 MX	🔒 Secure
2026-07-21 05:50:26	16858ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-24 22:07:03	1394ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-21 21:04:28	573ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-19 19:35:40	2340ms	4 NS 0 A 0 MX	🔒 Secure
2026-06-17 13:05:53	1421ms	4 NS 0 A 0 MX	🔒 Secure