efterskolen.dk

Records from scan: 2026-09-19 19:02:19 · 1103ms total · last checked 2026-10-17 03:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

efterskolen.dk is a .dk domain served by 3 nameservers (ns.nerdonline.dk, ns2.nerdonline.dk, ns3.nerdonline.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.235.50.241 is hosted by LeaseWeb Netherlands B.V. (AS60781) in The Netherlands. Mail is handled by efterskolen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.nerdonline.dk	167.233.0.169	mailgw1.nerdonline.dk	AS24940 Hetzner Online GmbH
ns2.nerdonline.dk	95.216.155.89	hel01.nerdonline.dk	AS24940 Hetzner Online GmbH
ns3.nerdonline.dk	167.233.0.167	ns3.nerdonline.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.235.50.241	38400s	—	AS60781	LeaseWeb Netherlands B.V.	77.235.50.0/24	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	38400s	efterskolen-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::d 2a01:111:f403:ca21::e 2a01:111:f403:ca48::c 52.101.103.137 52.101.185.114 52.101.209.153 52.101.73.155	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.56
🔶 Autoconfig	167.233.0.165

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 118ms

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

📝 TXT Records#

4 records 323ms

TXT Record
google-site-verification=hL_GwL4PSUKpk44EcymFIxH5qEv3ioOXDCD4jGryl0w
google-site-verification=JvA7pSjheKSfX_BbqIw50b5EUScj2o5IHLVZkJ3InEk
MS=ms40084644
v=spf1 a mx a:mailgw1.nerdonline.dk include:spf.protection.outlook.com include:amazonses.com ?all

✉️ SPF#

Policy	Record (efterskolen.dk)
?all (neutral)	v=spf1 a mx a:mailgw1.nerdonline.dk include:spf.protection.outlook.com include:amazonses.com ?all

📨 DMARC#

Policy	Record (_dmarc.efterskolen.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 12:16:32

www	77.235.50.241 (AS60781) (address records, no CNAME)
www vs bare domain	Same network efterskolen.dk: 77.235.50.241 (AS60781) www.efterskolen.dk: 77.235.50.241 (AS60781)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

0ms

Field	Value
Serial	1409907435
Primary NS (MNAME)	ns.nerdonline.dk
Responsible (RNAME)	hostmaster@nerdonline.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

51ms

52ms

AAAA

59ms

TXT

323ms

CAA

46ms

HTTPS

49ms

TLSA

390ms

SOA

0ms

MTA-STS

83ms

DNSSEC

90ms

SRV

118ms

Total

1103ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-19 19:02:19 shown	1103ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 13:25:19	1332ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 06:05:09	687ms	3 NS 1 A 1 MX	🔓 Insecure