300isnit.dk

📜 Historical scan 2026-06-19 13:57:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

300isnit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 November 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 300isnit-dk.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 104ms

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#

🌍

No A records found

📧 MX Records#

1 records 337ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	300isnit-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 951ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 1809ms

TXT Record
aa-verify=46eaaceba202873d31ff3f75692cd71c22233d53
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (300isnit.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 2026-10-21 21:59:44

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves 300isnit.dk: no address www.300isnit.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
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#

1718ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

101ms

Field	Value
Serial	2026052401
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 2026-10-09 17:39:39

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-11-25
Expires	2029-11-30 (1131d)

📋 WHOIS#

⏱️ Lookup Timing#

104ms

343ms

337ms

AAAA

109ms

TXT

1809ms

CAA

325ms

HTTPS

338ms

TLSA

1129ms

SOA

101ms

MTA-STS

619ms

DNSSEC

1718ms

SRV

951ms

Total

5436ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 21:59:44	1549ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-26 02:12:44	1092ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 19:15:48	827ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-06 12:16:18	1609ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 17:59:49	1071ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-25 10:27:51	8652ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-11 01:43:01	5060ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-28 13:40:05	623ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 05:13:09	709ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 09:34:59	2037ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 13:57:04 shown	5436ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 13:11:33	6886ms	2 NS 0 A 1 MX	🔒 Secure