holms-it.dk DNS records

🖥️ Nameservers3 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.158.133.1	3600s	lovable-app-cd-1-4.p.l5e.io	AS13335	Cloudflare, Inc.	185.158.133.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holmsit-dk01c.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 215ms

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

✉️ SPF

Policy	Record (holms-it.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.holms-it.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:ddcgzyr4cp@rua.powerdmarc.com; ruf=mailto:ddcgzyr4cp@ruf.powerdmarc.com; fo=1;

📬 MTA-STS305ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20260722061759415521
max_age	86400s
Policy MX	holmsit-dk01c.mail.protection.outlook.com

📈 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)

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090101
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

23ms

A

29ms

MX

21ms

AAAA

22ms

TXT

215ms

CAA

21ms

HTTPS

20ms

TLSA

880ms

SOA

0ms

MTA-STS

305ms

DNSSEC

100ms

SRV

62ms

Total

1536ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 08:01:13	1536ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 23:50:23	980ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:10:21	1617ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 15:39:24	1512ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-07-21 12:09:52	1192ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-07-15 19:59:33	1436ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-23 21:15:32	3931ms	3 NS 4 A 1 MX	🔒 Secure	View
2026-06-23 16:45:50	1126ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:58:16	3094ms	3 NS 4 A 1 MX	🔒 Secure	View