dfbf.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
dilbert.ns.cloudflare.com	108.162.193.155 172.64.33.155 173.245.59.155 2606:4700:58::adf5:3b9b 2803:f800:50::6ca2:c19b 2a06:98c1:50::ac40:219b	dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com dilbert.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lindsey.ns.cloudflare.com	108.162.194.5 162.159.38.5 172.64.34.5 2606:4700:50::a29f:2605 2803:f800:50::6ca2:c205 2a06:98c1:50::ac40:2205	lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com lindsey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.58.112.89	60s	ec2-52-58-112-89.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	52.56.0.0/14	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	dfbf-dk.mail.protection.outlook.com	2a01:111:f403:ca0b:: 2a01:111:f403:ca0b::1 2a01:111:f403:ca0b::2 2a01:111:f403:ca1a:: 52.101.89.0 52.101.89.1 52.101.99.0 52.101.99.2	mail-lo2p265cu02300.inbound.protection.outlook.com mail-lo3p265cu00301.inbound.protection.outlook.com mail-lo0p265cu00202.inbound.protection.outlook.com mail-cwxp265cu00500.inbound.protection.outlook.com mail-lo2p265cu02300.inbound.protection.outlook.com mail-lo0p265cu00201.inbound.protection.outlook.com mail-cwxp265cu00600.inbound.protection.outlook.com mail-cwxp265cu00502.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 74ms

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

📝 TXT Records3 records 203ms

TXT Record
google-site-verification=ssFxKtGll-6tspgfhp6qtmuju7V4-8jnSro_lPlLn7k
MS=ms76055790
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dfbf.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.dfbf.dk)
p=reject	v=DMARC1;p=reject;rua=mailto:pww1ojem@ag.eu.dmarcian.com; ruf=mailto:pww1ojem@fr.eu.dmarcian.com;fo=1

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records11 records 43ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	sectigo.com
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC87ms

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	2409327366
Primary NS (MNAME)	dilbert.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

48ms

MX

39ms

AAAA

41ms

TXT

203ms

CAA

43ms

HTTPS

48ms

TLSA

178ms

SOA

0ms

MTA-STS

64ms

DNSSEC

87ms

SRV

74ms

Total

1065ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:08:30	1065ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 17:27:00	1353ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 17:26:17	8287ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-12 17:27:03	2768ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 18:08:00	1889ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 12:54:29	2365ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 09:06:45	1157ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-17 02:36:09	885ms	2 NS 1 A 1 MX	🔓 Insecure	View