interskolen.dk

📜 Historical scan 2026-06-17 11:43:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

interskolen.dk is a .dk domain served by 4 nameservers (ns-1393.awsdns-46.org, ns-1721.awsdns-23.co.uk, ns-55.awsdns-06.com and 1 more). It was registered on 18 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.29.2.4 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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#

4 records 68ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1393.awsdns-46.org	205.251.197.113 2600:9000:5305:7100::1	ns-1393.awsdns-46.org ns-1393.awsdns-46.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1721.awsdns-23.co.uk	205.251.198.185 2600:9000:5306:b900::1	ns-1721.awsdns-23.co.uk ns-1721.awsdns-23.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-55.awsdns-06.com	205.251.192.55 2600:9000:5300:3700::1	ns-55.awsdns-06.com ns-55.awsdns-06.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-901.awsdns-48.net	205.251.195.133 2600:9000:5303:8500::1	ns-901.awsdns-48.net ns-901.awsdns-48.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.29.2.4	—	ec2-52-29-2-4.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.24.0.0/13	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.9.26 2a00:1450:4010:c22::1b	rc-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	192.178.230.27 2404:6800:4008:c01::1b	yunrtab-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	173.194.43.27 2607:f8b0:400e:c1e::1b	yudlsqd-in-f27.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 183ms

TXT Record
apple-domain-verification=vnQZkOHBSRPiT4WJ
v=spf1 include:_spf.google.com include:amazonses.com include:spf1.bluewhale.dk ~all

✉️ SPF#

Policy	Record (interskolen.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:amazonses.com include:spf1.bluewhale.dk ~all

📨 DMARC#

Policy	Record (_dmarc.interskolen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:ska@interskolen.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 2026-10-12 14:16:23

www CNAME	interskolen.dk (all on interskolen.dk) → 52.29.2.4 (AS16509)
www vs bare domain	Same network interskolen.dk: 52.29.2.4 (AS16509) www.interskolen.dk: 52.29.2.4 (AS16509)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~1024 bit below 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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

49ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-55.awsdns-06.com
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-03 00:32:51

Field	Value
Registrar	IVALDI ApS
Registered	1998-07-18
Expires	2027-09-30 (342d)

📋 WHOIS#

⏱️ Lookup Timing#

68ms

49ms

67ms

AAAA

66ms

TXT

183ms

CAA

38ms

HTTPS

35ms

TLSA

133ms

SOA

49ms

MTA-STS

68ms

DNSSEC

114ms

SRV

0ms

Total

939ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 00:03:30	671ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-29 23:44:28	3214ms	4 NS 1 A 5 MX	🔓 Insecure
2026-06-17 11:43:35 shown	939ms	4 NS 1 A 5 MX	🔓 Insecure