alstrup-it.dk

📜 Historical scan 2026-06-25 11:26:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alstrup-it.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 29 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by alstrupit-dk01i.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 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.12	3600s	lb1.builder.nu	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	alstrupit-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::f 2a01:111:f403:ca09::2 2a01:111:f403:ca09::f 52.101.68.39 52.101.68.8 52.101.73.12 52.101.73.15	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 52.98.149.136
🔶 Autoconfig	212.237.249.12

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 127ms

TXT Record
cmeed6jik959npndjhk036hobh
MS=ms43313660
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (alstrup-it.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 2026-10-08 05:14:27

www	212.237.249.12 (AS48854) (address records, no CNAME)
www vs bare domain	Same network alstrup-it.dk: 212.237.249.12 (AS48854) www.alstrup-it.dk: 212.237.249.12 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

122ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2024032601
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-16 22:08:21

Field	Value
Registrar	CURANET A/S
Registered	2020-02-29
Expires	2027-02-28 (134d)

🔗 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#

61ms

45ms

35ms

AAAA

63ms

TXT

127ms

CAA

51ms

HTTPS

58ms

TLSA

205ms

SOA

44ms

MTA-STS

62ms

DNSSEC

122ms

SRV

81ms

Total

726ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:14:27	1051ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 11:26:53 shown	726ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 06:36:13	1118ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:40:25	805ms	2 NS 1 A 1 MX	🔒 Secure