rektorforeningen.dk

Records from scan: 2026-10-14 12:18:27 · 698ms total · last checked 2026-10-26 04:34 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rektorforeningen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is not DNSSEC-signed, publishes a 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#

2 records 106ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 149ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 281ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (rektorforeningen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.rektorforeningen.dk)
p=reject	v=DMARC1; p=reject; aspf=s; adkim=s;

📬 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 2026-10-14 12:18:27

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network rektorforeningen.dk: 195.47.247.18 (AS51468) www.rektorforeningen.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · 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	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

69ms

Field	Value
Serial	2026101407
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-26 10:07:40

Field	Value
Registrar	Simply.com A/S
Registered	2003-03-17
Expires	2027-03-31 (156d)

🔗 Same registrant#

6 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).

Domain	Registrar
bliv-gymnasielaerer.dk	DANDOMAIN A/S
bliv-gymnasielærer.dk	DANDOMAIN A/S
danskegymnasier.dk	Punktum dk A/S (direct)
gymnasienet.dk	DANDOMAIN A/S
gymnasieskolernesklimaalliance.dk	Simply.com A/S
rektorforening.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

106ms

149ms

119ms

AAAA

116ms

TXT

281ms

CAA

115ms

HTTPS

104ms

TLSA

66ms

SOA

69ms

MTA-STS

133ms

DNSSEC

204ms

SRV

143ms

Total

698ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 12:18:27 shown	698ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 14:09:05	843ms	2 NS 1 A 4 MX	🔓 Insecure
2026-09-18 18:45:34	2599ms	2 NS 1 A 4 MX	🔓 Insecure
2026-07-26 05:56:11	4888ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-20 14:40:10	580ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-20 06:20:55	3010ms	2 NS 1 A 4 MX	🔓 Insecure
2026-06-17 11:47:24	810ms	2 NS 1 A 4 MX	🔓 Insecure