xlearn.dk

📜 Historical scan 2026-07-05 14:56:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

xlearn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.79 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by xlearn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 2205ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 2165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.79	3599s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 2444ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	xlearn-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 52.101.73.12 52.101.73.19 52.101.73.22 52.101.73.30	mail-db6pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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	77.111.241.79

🔷 AAAA Records (IPv6)#

1 records 2187ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:79:483d:848f:3054	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 2604ms

TXT Record
facebook-domain-verification=5bgi3o2vr20cbvwseqv5xrcju2mbxs
google-site-verification=W8aVLxl9NjoW-1ZpKTFhzH8Rby3_jPAuUSakFBonSpk
v=spf1 include:sendgrid.net ~all
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (xlearn.dk)
~all (soft fail)	v=spf1 include:sendgrid.net ~all
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.xlearn.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:re+hcdldblnmu1@dmarc.postmarkapp.com; sp=none; aspf=r;

📬 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 2026-10-09 11:02:26

www	77.111.241.79 2a02:2350:5:104:79:483d:848f:3054 (AS51468) (address records, no CNAME)
www vs bare domain	Same network xlearn.dk: 77.111.241.79 2a02:2350:5:104:79:483d:848f:3054 (AS51468) www.xlearn.dk: 77.111.241.79 2a02:2350:5:104:79:483d:848f:3054 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2485ms

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

🏷️ SOA#

2770ms

Field	Value
Serial	2026062604
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-06-26 15:45:18

Field	Value
Registrar	ONE.COM A/S
Registered	2023-07-13
Expires	2026-07-12 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

2205ms

2165ms

2444ms

AAAA

2187ms

TXT

2604ms

CAA

2173ms

HTTPS

2166ms

TLSA

1426ms

SOA

2770ms

MTA-STS

2222ms

DNSSEC

2485ms

SRV

2435ms

Total

9430ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 11:02:26	1826ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-31 13:45:59	1014ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 02:01:51	850ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-05 14:56:45 shown	9430ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 15:41:55	642ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 03:52:00	1213ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:07:46	1059ms	2 NS 1 A 1 MX	🔒 Secure