blaakilde-efterskole.dk

📜 Historical scan 2026-10-04 21:26:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blaakilde-efterskole.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 19 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.166.22.221 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by blaakildeefterskole-dk02c.mail.protection.outlook.com. 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.166.22.221	300s	—	AS14061	DigitalOcean, LLC	188.166.0.0/16	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	blaakildeefterskole-dk02c.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::6 52.101.181.156 52.101.185.21 52.101.73.155 52.101.91.21	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 116ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 202ms

TXT Record
apple-domain-verification=YVvTkD39O2VEcolq
cisco-ci-domain-verification=bdcd7c8c529f1ca779be06f24f60f758c3aa61af3c4adc9075ec8a3932c45b2
v=spf1 include:spf.protection.outlook.com ip4:5.206.192.52 -all

✉️ SPF#

Policy	Record (blaakilde-efterskole.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:5.206.192.52 -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 2026-10-11 17:47:00

www	188.166.22.221 (AS14061) (address records, no CNAME)
www vs bare domain	Same network blaakilde-efterskole.dk: 188.166.22.221 (AS14061) www.blaakilde-efterskole.dk: 188.166.22.221 (AS14061)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u2685664.wl165.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u2685664.wl165.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-blaakildeefterskole-dk02c._domainkey.blaakildeefterskole.onmicrosoft.com	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: 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#

28ms

Field	Value
Serial	2416598547
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 17:32:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-01-19
Expires	2032-01-31 (1931d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

33ms

34ms

AAAA

48ms

TXT

202ms

CAA

43ms

HTTPS

49ms

TLSA

517ms

SOA

28ms

MTA-STS

59ms

DNSSEC

55ms

SRV

116ms

Total

992ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 17:47:00	1829ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 05:21:01	1466ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 21:26:15 shown	992ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 19:29:56	1141ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 22:12:11	1012ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 04:40:56	1406ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 01:20:37	955ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 21:27:23	1695ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 03:56:00	10777ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-27 13:28:12	6406ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 12:32:23	2349ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 14:24:20	4134ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:29:16	1632ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:08:14	742ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:42:09	733ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 14:45:09	681ms	2 NS 1 A 1 MX	🔒 Secure