dfds.dk DNS records

🖥️ Nameservers4 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1386.awsdns-45.org	205.251.197.106 2600:9000:5305:6a00::1	ns-1386.awsdns-45.org ns-1386.awsdns-45.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1935.awsdns-49.co.uk	205.251.199.143 2600:9000:5307:8f00::1	ns-1935.awsdns-49.co.uk ns-1935.awsdns-49.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-307.awsdns-38.com	205.251.193.51 2600:9000:5301:3300::1	ns-307.awsdns-38.com ns-307.awsdns-38.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-795.awsdns-35.net	205.251.195.27 2600:9000:5303:1b00::1	ns-795.awsdns-35.net ns-795.awsdns-35.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records4 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
18.173.5.118	60s	server-18-173-5-118.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.4	60s	server-18-173-5-4.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.88	60s	server-18-173-5-88.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—
18.173.5.9	60s	server-18-173-5-9.cph50.r.cloudfront.net	AS16509	Amazon.com, Inc.	18.173.0.0/21	🇺🇸 United States	—

📧 MX Records1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	dfds-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::9 2a01:111:f403:ca09::2 52.101.181.153 52.101.68.16 52.101.68.8 52.101.73.22	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.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	193.9.230.229

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 245ms

TXT Record
apple-domain-verification=RwHTNMoDSSXo3YEz
MS=ms87657389
v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.140 ip4:193.9.230.141 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.76.174 ip4:207.54.77.27 ip4:207.54.72.91 ip4:159.100.98.243 -all
v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.77.27 -all
xlG3WXmDEgmGm8y1dzvwOhRU8LWNZgnNJkjdzMfOMd4=

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (dfds.dk)
-all (hard fail)	v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.140 ip4:193.9.230.141 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.76.174 ip4:207.54.77.27 ip4:207.54.72.91 ip4:159.100.98.243 -all
-all (hard fail)	v=spf1 mx include:spf.protection.outlook.com ip4:193.9.230.229 ip4:193.9.230.143 ip4:193.9.230.144 ip4:207.54.76.149 ip4:207.54.77.27 -all

📨 DMARC

Policy	Record (_dmarc.dfds.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-report@dfds.com; ruf=mailto:dmarc-report@dfds.com; fo=1; aspf=s; pct=100

📬 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)

🔐 DNSSEC2166ms

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	1
Primary NS (MNAME)	ns-1935.awsdns-49.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

81ms

MX

70ms

AAAA

57ms

TXT

245ms

CAA

71ms

HTTPS

83ms

TLSA

398ms

SOA

0ms

MTA-STS

109ms

DNSSEC

2166ms

SRV

109ms

Total

6039ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:10:15	6039ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-07-02 00:05:34	4696ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 02:35:18	727ms	4 NS 4 A 1 MX	🔓 Insecure	View