onlineuddannelse.dk DNS records

🖥️ Nameservers4 records 33ms

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 Records1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
209.42.196.213	3600s	cw105.codafgroup.com	AS63410	PrivateSystems Networks	209.42.192.0/18	🇳🇱 The Netherlands	Amsterdam

📧 MX Records5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a 64.233.163.27	lh-in-f26.1e100.net lh-in-x1a.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	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	3600s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	209.42.196.213
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 59ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records4 records 172ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC56ms

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

🏷️ SOA34ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

33ms

A

34ms

MX

44ms

AAAA

32ms

TXT

172ms

CAA

39ms

HTTPS

34ms

TLSA

372ms

SOA

34ms

MTA-STS

55ms

DNSSEC

56ms

SRV

59ms

Total

1087ms

🕐 Scan History

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