skoletip.dk

📜 Historical scan 2026-06-21 16:34:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skoletip.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.76.144 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by skoletip.dk. 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#

2 records 79ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 122ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.188.76.144	600s	mail.supermatematik.dk	AS48854	team.blue Denmark A/S	89.188.72.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	skoletip.dk	89.188.76.144	mail.supermatematik.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	89.188.76.144
🔶 Autoconfig	89.188.76.144

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 216ms

TXT Record
v=spf1 a mx -all

✉️ SPF#

Policy	Record (skoletip.dk)
-all (hard fail)	v=spf1 a mx -all

📨 DMARC#

Policy	Record (_dmarc.skoletip.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:peter@skoletip.dk

📬 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 2026-10-15 04:23:16

www	89.188.76.144 (AS48854) (address records, no CNAME)
www vs bare domain	Same network skoletip.dk: 89.188.76.144 (AS48854) www.skoletip.dk: 89.188.76.144 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~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: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.skoletip.dk	4_UjkITW0j10pDSiH8ZRpDuwm6fKtHG__RW9gfq1OtA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026060801
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

79ms

122ms

50ms

AAAA

154ms

TXT

216ms

CAA

80ms

HTTPS

47ms

TLSA

95ms

SOA

49ms

MTA-STS

121ms

DNSSEC

89ms

SRV

82ms

Total

505ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-06-28 18:20:31	538ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:34:37 shown	505ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 01:39:39	3935ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:23:19	2750ms	2 NS 1 A 1 MX	🔒 Secure