onlineuddannelse.dk

📜 Historical scan 2026-06-17 17:46:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onlineuddannelse.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 24 January 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 167ms

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#

1 records 180ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
209.42.196.213	—	cw105.codafgroup.com	AS63410	—	—	—	—

📧 MX Records#

5 records 179ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.9.26 2a00:1450:4025:c03::1a	rc-in-f26.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.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	—	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1a	yunrtab-in-f27.1e100.net yunrtab-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#

4 records 224ms

TXT Record
google-site-verification=kOE8LTP-9O1pW3lBNw8QgFPfrfgnlqMQSBujQArEPEU
klaviyo-site-verification=RtCNbE
Sendinblue-code:d9acc6d0e385430933808c6a1d803454
v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:_spf.google.com mx ~all

✉️ SPF#

Policy	Record (onlineuddannelse.dk)
~all (soft fail)	v=spf1 include:_spf.mlsend.com include:spf.sendinblue.com include:_spf.google.com mx ~all

📨 DMARC#

Policy	Record (_dmarc.onlineuddannelse.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-11 20:42:38

www	209.42.196.213 (AS63410) (address records, no CNAME)
www vs bare domain	Same network onlineuddannelse.dk: 209.42.196.213 (AS63410) www.onlineuddannelse.dk: 209.42.196.213 (AS63410)
Wildcard	Yes: any name under the zone resolves
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

204ms

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

🏷️ SOA#

140ms

Field	Value
Serial	2026021701
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 2026-10-18 13:18:54

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-01-24
Expires	2027-01-31 (97d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

167ms

180ms

179ms

AAAA

165ms

TXT

224ms

CAA

149ms

HTTPS

134ms

TLSA

963ms

SOA

140ms

MTA-STS

162ms

DNSSEC

204ms

SRV

0ms

Total

1802ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 10:16:41	1229ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-28 00:15:39	1087ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-24 04:33:34	3959ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-23 12:45:07	1116ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 17:46:30 shown	1802ms	4 NS 1 A 5 MX	🔒 Secure