frederikssundswim.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.118	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.122	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	frederikssundswim-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::b 2a01:111:f403:ca09::20 2a01:111:f403:ca09::d 52.101.209.153 52.101.68.5 52.101.73.1 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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
🔶 Autoconfig	172.67.138.122

🔷 AAAA Records (IPv6)2 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3676	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8a7a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.118,172.67.138.122 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3676,2606:4700:3037::ac43:8a7a

📝 TXT Records2 records 213ms

TXT Record
MS=ms21760584
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC121ms

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	2413046081
Primary NS (MNAME)	duke.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

52ms

A

53ms

MX

80ms

AAAA

66ms

TXT

213ms

CAA

70ms

HTTPS

60ms

TLSA

617ms

SOA

0ms

MTA-STS

88ms

DNSSEC

121ms

SRV

92ms

Total

1643ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:18:06	1643ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-24 16:26:40	1181ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 14:39:30	3910ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 19:03:28	10293ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 14:49:42	1568ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 17:39:48	1227ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 16:17:31	1950ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 09:49:09	1907ms	2 NS 2 A 1 MX	⚠️ Bogus	View