dfexpress.dk DNS records

🖥️ Nameservers4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-05.azure-dns.com	13.107.236.5 2603:1061:0:700::5	ns1-05.azure-dns.com ns1-05.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-05.azure-dns.net	150.171.21.5 2620:1ec:8ec:700::5	ns2-05.azure-dns.net ns2-05.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-05.azure-dns.org	204.14.183.5 2a01:111:4000:700::5	ns3-05.azure-dns.org ns3-05.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-05.azure-dns.info	208.84.5.5 2620:1ec:bda:700::5	ns4-05.azure-dns.info ns4-05.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.136.90.19	3600s	—	AS31027	GlobalConnect A/S	83.136.88.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dfexpress-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 52.101.68.16 52.101.68.8 52.101.73.24 52.101.73.28	mail-db7pr03cu00401.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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 Records2 records 48ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	1	100	5061	sipfed.online.lync.com
_xmpp-server._tcp	10	10	5269	dfexpe01.fragt.dk

📝 TXT Records5 records 169ms

TXT Record
_p4qrh6gmpintj5ked5i7yzends33y1w
cisco-ci-domain-verification=7961d66e92c1c882313891a984ae9575ac3a52d2080f2596f3bfcb585eb75f66
dfdomainnames.azurewebsites.net
MS=ms46464134
v=spf1 mx a:mailgw.fragt.dk a:imailgw.fragt.dk ip4:83.136.90.8 ip4:77.66.63.25 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF

Policy	Record (dfexpress.dk)
-all (hard fail)	v=spf1 mx a:mailgw.fragt.dk a:imailgw.fragt.dk ip4:83.136.90.8 ip4:77.66.63.25 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC

Policy	Record (_dmarc.dfexpress.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-reports@dfexpress.dk; ruf=mailto:dmarc-reports@dfexpress.dk; pct=100; fo=1;

📬 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)

🔐 DNSSEC61ms

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

🏷️ SOA38ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-05.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

41ms

MX

46ms

AAAA

46ms

TXT

169ms

CAA

38ms

HTTPS

35ms

TLSA

475ms

SOA

38ms

MTA-STS

55ms

DNSSEC

61ms

SRV

48ms

Total

1384ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-02 01:19:27	1384ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 02:36:10	636ms	4 NS 1 A 1 MX	🔓 Insecure	View