lastenshule.dk

Records from scan: 2026-10-13 14:50:57 · 505ms total · last checked 2026-10-23 04:14 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 31ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.20.195.86	3600s	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 29ms

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 133ms

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#

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#

55ms

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

🏷️ SOA#

29ms

Field	Value
Serial	2026101200
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 (274d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

38ms

29ms

AAAA

31ms

TXT

133ms

CAA

52ms

HTTPS

30ms

TLSA

183ms

SOA

29ms

MTA-STS

39ms

DNSSEC

55ms

SRV

89ms

Total

505ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:50:57 shown	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	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