holger-danske.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.siteground.net	75.2.77.104	ac4b097dbd0dd6307.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.
ns2.siteground.net	99.83.229.113	ac4b097dbd0dd6307.awsglobalaccelerator.com	AS16509 Amazon.com, Inc.

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.204.180.209	86400s	209.180.204.35.bc.googleusercontent.com	AS396982	Google LLC	35.204.0.0/15	🇳🇱 The Netherlands	Groningen

📧 MX Records1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holgerdanske-dk01e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::4 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.18 52.101.73.126 52.101.73.22 52.101.73.6	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 103ms

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

📝 TXT Records4 records 300ms

TXT Record
facebook-domain-verification=1697i1dzub0r7jwxm9h0p9im4ewlnb
google-site-verification=_DuOQsdD_dISxGUAMAOcOVYci-QDdhbJVsTwtg_XhTU
MS=ms34502481
v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:sendgrid.net include:holger-danske.dk.spf.auto.dnssmarthost.net include:spf.holger-danske.hermes.spartan.dk ~all

✉️ SPF

Policy	Record (holger-danske.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ip4:193.8.36.0/22 include:sendgrid.net include:holger-danske.dk.spf.auto.dnssmarthost.net include:spf.holger-danske.hermes.spartan.dk ~all

📨 DMARC

Policy	Record (_dmarc.holger-danske.dk)
p=none (monitor only)	v=DMARC1; p=none; aspf=r; adkim=r;

📬 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)

🔐 DNSSEC2076ms

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	261
Primary NS (MNAME)	ns1.siteground.net
Responsible (RNAME)	admins@siteground.com
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

59ms

MX

58ms

AAAA

66ms

TXT

300ms

CAA

74ms

HTTPS

64ms

TLSA

776ms

SOA

0ms

MTA-STS

94ms

DNSSEC

2076ms

SRV

103ms

Total

3302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 18:30:19	3302ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 17:27:32	1579ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 05:46:36	9827ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 05:02:18	1483ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 02:02:24	4295ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 14:48:00	979ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:32:27	2574ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 22:07:22	887ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:21:31	2602ms	2 NS 1 A 1 MX	🔓 Insecure	View