lastenshule.dk

📜 Historical scan 2026-07-22 12:39:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

lastenshule.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.20.195.86 is hosted by Amazon.com, Inc. (AS16509) in Sweden. Mail is handled by lastenshule.dk. The zone is DNSSEC-signed and validates, has no 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#

3 records 8081ms

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

🌍 A Records#

1 records 8055ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.20.195.86	3596s	ec2-51-20-195-86.eu-north-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	51.20.0.0/14	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 8077ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	lastenshule.dk	51.20.195.86	ec2-51-20-195-86.eu-north-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	51.20.195.86
🔶 Autoconfig	51.20.195.86

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 8223ms

TXT Record
v=DMARC1; p=none;
v=spf1 include:amazonses.com ~all

✉️ SPF#

Policy	Record (lastenshule.dk)
~all (soft fail)	v=spf1 include:amazonses.com ~all

📨 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#

latest probe, not this scan · checked 2026-10-13 14:50:57

www	51.20.195.86 (AS16509) (address records, no CNAME)
www vs bare domain	Same network lastenshule.dk: 51.20.195.86 (AS16509) www.lastenshule.dk: 51.20.195.86 (AS16509)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

8096ms

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

🏷️ SOA#

8095ms

Field	Value
Serial	2025092304
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 2026-10-02 21:47:37

Field	Value
Registrar	Simply.com A/S
Registered	2023-07-27
Expires	2027-07-26 (275d)

📋 WHOIS#

⏱️ Lookup Timing#

8081ms

8055ms

8077ms

AAAA

8097ms

TXT

8223ms

CAA

8080ms

HTTPS

8071ms

TLSA

8040ms

SOA

8095ms

MTA-STS

8071ms

DNSSEC

8096ms

SRV

8062ms

Total

32696ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:50:57	505ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-02 21:18:05	542ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 20:00:53	505ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-22 12:39:05 shown	32696ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:50:07	1609ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:13:38	955ms	3 NS 1 A 1 MX	🔒 Secure