itdholding.dk DNS records

🖥️ Nameservers4 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 2034ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.92.65.188	3598s	80-92-65-188.ip.dclux.com	AS24611	Datacenter Luxembourg S.A.	80.92.64.0/19	🇱🇺 Luxembourg	Luxembourg

📧 MX Records2 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	de-smtp-inbound-1.mimecast.com	194.104.108.22 194.104.108.22 194.104.110.22 194.104.110.22	de-smtp-inbound-2.mimecast.com de-smtp-inbound-1.mimecast.com de-smtp-inbound-1.mimecast.com de-smtp-inbound-2.mimecast.com	AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited
10	3600s	de-smtp-inbound-2.mimecast.com	194.104.108.22 194.104.108.22 194.104.110.22 194.104.110.22	de-smtp-inbound-2.mimecast.com de-smtp-inbound-1.mimecast.com de-smtp-inbound-1.mimecast.com de-smtp-inbound-2.mimecast.com	AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited AS39588 Mimecast Services Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8
🔶 Autoconfig	46.30.213.52

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 111ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 289ms

TXT Record
0ed1fe018a23e5cd3b34304a5fa0ec8dd5def152a5
MS=ms26410797
v=spf1 include:spf.protection.outlook.com include:de._netblocks.mimecast.com -all
xFh1akwn1qJ7NblDn20bn/mG78ShgpC+6oyzYi1dqOBEin18eLuLMXxX16GZcQqCjzGiACsODonfNarfM+43Pw==

✉️ SPF

Policy	Record (itdholding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:de._netblocks.mimecast.com -all

📨 DMARC

Policy	Record (_dmarc.itdholding.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rf=afrf; pct=100; ri=86400

📬 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)

🔐 DNSSEC122ms

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

🏷️ SOA0ms

Field	Value
Serial	2024062243
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.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

56ms

A

2034ms

MX

78ms

AAAA

57ms

TXT

289ms

CAA

65ms

HTTPS

50ms

TLSA

311ms

SOA

0ms

MTA-STS

121ms

DNSSEC

122ms

SRV

111ms

Total

2756ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:39:53	2756ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-20 00:52:08	3497ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 23:02:51	7085ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-17 17:51:47	1824ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-09 02:13:20	1412ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-30 23:50:11	1145ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-13 06:43:57	1217ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 21:54:44	1024ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 18:24:06	1190ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:59:54	5727ms	4 NS 1 A 2 MX	🔒 Secure	View