seat-frederikssund.dk DNS records

🖥️ Nameservers4 records 230ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-02.azure-dns.com	13.107.236.2 2603:1061:0:700::2	ns1-02.azure-dns.com —	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-02.azure-dns.net	150.171.21.2 2620:1ec:8ec:700::2	ns2-02.azure-dns.net ns2-02.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-02.azure-dns.org	204.14.183.2 2a01:111:4000:700::2	ns3-02.azure-dns.org ns3-02.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-02.azure-dns.info	208.84.5.2 2620:1ec:bda:700::2	ns4-02.azure-dns.info ns4-02.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 224ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.249.218.21	3600s	—	AS3292	TDC Holding A/S	195.249.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 223ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	seatfrederikssund-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::8 52.101.68.25 52.101.68.5 52.101.73.16 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	forhandlerinternet.semler.dk → 195.249.218.21

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 293ms

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

📝 TXT Records2 records 705ms

TXT Record
MS=ms83351146
v=spf1 a mx ip4:195.249.218.0/24 ip4:20.107.82.163/32 include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:mail.zendesk.com include:_spf-dc2.successfactors.com ~all

✉️ SPF

Policy	Record (seat-frederikssund.dk)
~all (soft fail)	v=spf1 a mx ip4:195.249.218.0/24 ip4:20.107.82.163/32 include:spf.protection.outlook.com include:cust-spf.exacttarget.com include:mail.zendesk.com include:_spf-dc2.successfactors.com ~all

📨 DMARC

Policy	Record (_dmarc.seat-frederikssund.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:tepx02da@ag.eu.dmarcadvisor.com; ruf=mailto:tepx02da@fr.eu.dmarcadvisor.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.seat-frederikssund.dk	forhandlerinternet.semler.dk

🔗 TLSA / DANE

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

🔐 DNSSEC322ms

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

🏷️ SOA228ms

Field	Value
Serial	22
Primary NS (MNAME)	ns1-02.azure-dns.com
Responsible (RNAME)	dnsadmin@kmd.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

230ms

A

224ms

MX

223ms

AAAA

223ms

TXT

705ms

CAA

256ms

HTTPS

247ms

TLSA

279ms

SOA

228ms

MTA-STS

271ms

DNSSEC

322ms

SRV

293ms

Total

2246ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-28 00:54:51	2246ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 00:38:40	1478ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 21:05:04	1611ms	4 NS 1 A 1 MX	🔓 Insecure	View