f5.dk DNS records

🖥️ Nameservers2 records 93ms

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 65ms

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 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	f5-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.68.18 52.101.68.25 52.101.68.27 52.101.68.5	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.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	142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)2 records 91ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:bbb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:9607	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 109ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.187,172.67.150.7 ech=AEX+DQBBfgAgACChAqQw1JG6Amr187HEZ7tIv9OwQbKPPfyJVGa95Jd7QAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:bbb,2606:4700:3036::ac43:9607

🔌 SRV Records1 records 169ms

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

📝 TXT Records8 records 450ms

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 108ms

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)

🔐 DNSSEC289ms

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	2413507800
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 (2190d)

📋 WHOIS

⏱️ Lookup Timing

NS

93ms

A

65ms

MX

97ms

AAAA

91ms

TXT

450ms

CAA

108ms

HTTPS

109ms

TLSA

1111ms

SOA

0ms

MTA-STS

136ms

DNSSEC

289ms

SRV

169ms

Total

3977ms

🕐 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