carstenholm.dk DNS records

🖥️ Nameservers2 records 72ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.atznet.dk	195.242.130.110 2001:67c:564:fffb::ffff	ns1.atznet.dk —	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.atznet.dk	2a00:1b18:2:3:2::2 62.69.152.36	ns2.atznet.dk 36.34-46.152.69.62.in-addr.arpa	AS47527 DLX A/S AS47527 DLX A/S

🌍 A Records1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
81.95.249.192	3600s	dw-d058.dw-mgmt.lan	AS48854	team.blue Denmark A/S	81.95.240.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 23ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	carstenholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::8 52.101.68.16 52.101.68.18 52.101.68.8 52.101.73.16	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 97ms

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

📝 TXT Records2 records 223ms

TXT Record
google-site-verification=7BhiMnBcTj_dcqN0bp8-hStPc9QiAVRzlo4PijBuCr0
v=spf1 ip4:5.103.12.83 ip4:5.103.12.82 ip4:212.97.232.73 include:spf.protection.outlook.com include:_spf.atznet.dk include:spf.dynamicweb-cms.com a:smtp.dynamicweb.cloud ~all

✉️ SPF

Policy	Record (carstenholm.dk)
~all (soft fail)	v=spf1 ip4:5.103.12.83 ip4:5.103.12.82 ip4:212.97.232.73 include:spf.protection.outlook.com include:_spf.atznet.dk include:spf.dynamicweb-cms.com a:smtp.dynamicweb.cloud ~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

🔗 TLSA / DANE

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

🔐 DNSSEC72ms

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

🏷️ SOA24ms

Field	Value
Serial	2026042902
Primary NS (MNAME)	ns1.atznet.dk
Responsible (RNAME)	hostmaster@atznet.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

72ms

A

61ms

MX

23ms

AAAA

58ms

TXT

223ms

CAA

24ms

HTTPS

24ms

TLSA

905ms

SOA

24ms

MTA-STS

84ms

DNSSEC

72ms

SRV

97ms

Total

1535ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-25 09:35:33	1535ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 20:11:33	9564ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:44:56	2263ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:30:10	698ms	2 NS 1 A 1 MX	🔒 Secure	View