sail2learn.dk DNS records

🖥️ Nameservers5 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1pri.webhosting.dk	157.250.160.80	ns1pri.webhosting.dk	AS3342 Cibicom A/S
ns2.mywebtonet.com	157.250.163.66	ns2.mywebtonet.com	AS3342 Cibicom A/S
ns2.webhosting.dk	157.250.163.65	ns2.webhosting.dk	AS3342 Cibicom A/S
ns3.webhosting.dk	2a01:4f9:c010:7e3d::1 95.217.166.205	— ns3.webhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns7.webhosting.dk	159.69.216.38 2a01:4f8:1c0c:6cd6::1	ns7.webhosting.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.250.160.51	600s	webhotel31.webhosting.dk	AS3342	Cibicom A/S	157.250.160.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	sail2learn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::5 2a01:111:f403:ca04::f 2a01:111:f403:ca09::8 52.101.68.29 52.101.73.12 52.101.73.22 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.101.112.129
🔶 Autoconfig	157.250.160.51

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 335ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (sail2learn.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.sail2learn.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

🔗 TLSA / DANE1 records 1296ms

Service / Owner	Type	Cert association
HTTPS _443._tcp.sail2learn.dk	DANE-EE · SPKI · SHA-256	948308B5C1C3B22152047BCB270C25C2…

🔐 DNSSEC120ms

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

🏷️ SOA0ms

Field	Value
Serial	3009021707
Primary NS (MNAME)	ns1pri.webhosting.dk
Responsible (RNAME)	hostmaster@webhosting.dk
Refresh	21600s
Retry	3600s
Expire	14515200s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

30ms

A

40ms

MX

35ms

AAAA

42ms

TXT

335ms

CAA

34ms

HTTPS

38ms

TLSA

1296ms

SOA

0ms

MTA-STS

88ms

DNSSEC

120ms

SRV

266ms

Total

10406ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-31 01:27:53	10406ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 23:18:43	980ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 02:21:19	1168ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 16:54:11	2100ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 11:00:16	1400ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:19:43	3210ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 03:32:39	632ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 12:11:15	1050ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 19:40:39	1877ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:55:09	1896ms	0 NS 0 A 0 MX	❓ Unknown	View