f5.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
lady.ns.cloudflare.com	108.162.192.127 172.64.32.127 173.245.58.127 2606:4700:50::adf5:3a7f 2803:f800:50::6ca2:c07f 2a06:98c1:50::ac40:207f	lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com lady.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yahir.ns.cloudflare.com	108.162.195.34 162.159.44.34 172.64.35.34 2606:4700:58::a29f:2c22 2803:f800:50::6ca2:c322 2a06:98c1:50::ac40:2322	yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com yahir.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.187	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.150.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	f5-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::5 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.68.0 52.101.68.39 52.101.73.26 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as9pr05cu01302.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
5	300s	smtp.google.com	173.194.221.26 173.194.221.27 173.194.222.26 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0e::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c1c::1b 74.125.205.26 74.125.205.27	lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lu-in-f26.1e100.net lu-in-x1a.1e100.net lu-in-f27.1e100.net lu-in-x1b.1e100.net lt-in-x1a.1e100.net lt-in-f26.1e100.net la-in-f27.1e100.net le-in-f26.1e100.net le-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:bbb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:9607	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.187,172.67.150.7 ech=AEX+DQBBRQAgACBRIQW3W4XvI/rGx9OkTAg1sjuW10E4qYkqWzotc08vAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:bbb,2606:4700:3035::ac43:9607

🔌 SRV Records1 records 122ms

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

📝 TXT Records8 records 207ms

TXT Record
brevo-code:1ab93d96a5e3661d779d3ae1cb9cdf9b
cisco-ci-domain-verification=520e3e486193f38c6c560bd65c5e7769dd68c01c19dbfa31fd1eae1946f4cd7b
google-site-verification=uigcdFsvCxtzUJX_Mu8yE0gA97Ci7Ju9qQgiw-RT5yg
MS=3ABFA9EF7D2CE3D9AB9BF3917522CB6E4B6E70C9
MS=ms14421548
pardot892261=7a778077f50eec28d59c89396805a4b21af34f3f0e5e2fa057f43275a72514e0
twilio-domain-verification=6834a3565d662b57118fc0c18fa8f88f
v=spf1 include:t418g86ox0u7r4yz.p.tawk.email include:spf.protection.outlook.com include:autopilotmail.com include:spf.eu.signature365.net -all

✉️ SPF

Policy	Record (f5.dk)
-all (hard fail)	v=spf1 include:t418g86ox0u7r4yz.p.tawk.email include:spf.protection.outlook.com include:autopilotmail.com include:spf.eu.signature365.net -all

📨 DMARC

Policy	Record (_dmarc.f5.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:rua+pdibyph0vmz3@dmarcwise.email;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:rua+pdibyph0vmz3@dmarcwise.email

📜 CAA Records10 records 56ms

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	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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.f5.dk	mk5-81OiyQuLNeRycWs2cekMFIuv9dGnoxPHNIo2ztw

🔗 TLSA / DANE

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

🔐 DNSSEC123ms

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	2407934916
Primary NS (MNAME)	lady.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-03 11:42:12

Field	Value
Registrar	CURANET A/S
Registered	2003-08-29
Expires	2032-08-31 (2189d)

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

48ms

MX

59ms

AAAA

57ms

TXT

207ms

CAA

56ms

HTTPS

57ms

TLSA

298ms

SOA

0ms

MTA-STS

67ms

DNSSEC

123ms

SRV

122ms

Total

1688ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 04:37:58	3977ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-29 00:04:14	2434ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-08 16:50:21	11314ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-29 12:12:36	4450ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-25 04:07:06	17875ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-11 23:29:16	2275ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-06 07:40:05	2861ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 11:41:40	2043ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-27 10:32:23	1688ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 09:10:23	2419ms	2 NS 2 A 2 MX	🔓 Insecure	View