it4business.dk DNS records

🖥️ Nameservers4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
pdns77.ultradns.biz	156.154.66.77 2610:a1:1015::71	pdns77.ultradns.biz pdns77.ultradns.biz	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.com	156.154.64.77 2001:502:f3ff::71	pdns77.ultradns.com pdns77.ultradns.com	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.net	156.154.65.77 2610:a1:1014::71	pdns77.ultradns.net pdns77.ultradns.net	AS12008 Vercara, LLC AS12008 Vercara, LLC
pdns77.ultradns.org	156.154.67.77 2001:502:4612::71	pdns77.ultradns.org pdns77.ultradns.org	AS12008 Vercara, LLC AS12008 Vercara, LLC

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.234.0.82	300s	—	AS8075	Microsoft Corporation	52.224.0.0/11	🇺🇸 United States	San Jose

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 229ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (it4business.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.it4business.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:rywdzx3h@ag.dmarcian.com

📬 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 / DANE

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

🔐 DNSSEC120ms

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

🏷️ SOA0ms

Field	Value
Serial	2020074484
Primary NS (MNAME)	pdns77.ultradns.com
Responsible (RNAME)	domadmin@arrow.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

34ms

A

45ms

MX

40ms

AAAA

36ms

TXT

229ms

CAA

45ms

HTTPS

41ms

TLSA

69ms

SOA

0ms

MTA-STS

63ms

DNSSEC

120ms

SRV

75ms

Total

569ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 00:36:29	569ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 11:46:19	9930ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 09:57:49	1602ms	4 NS 1 A 1 MX	❓ Unknown	View
2026-08-19 08:42:25	873ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-17 06:37:27	1842ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 20:27:01	2848ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 16:11:58	1044ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 12:04:47	2357ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 08:46:01	9807ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 05:27:30	3211ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 17:16:32	952ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-01 22:11:39	2588ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 00:07:30	2635ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 21:06:37	884ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 20:06:20	8596ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 19:54:52	8522ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 19:20:07	8973ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 17:22:05	9727ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-22 14:20:53	968ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 06:21:02	1159ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 01:58:06	954ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-15 07:11:31	8772ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 05:55:16	948ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 04:53:23	954ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 11:39:17	2548ms	4 NS 1 A 1 MX	🔓 Insecure	View