lindbergh.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kirk.ns.cloudflare.com	108.162.193.192 172.64.33.192 173.245.59.192 2606:4700:58::adf5:3bc0 2803:f800:50::6ca2:c1c0 2a06:98c1:50::ac40:21c0	kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com kirk.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.129	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.183	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	lindbergh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 52.101.68.25 52.101.68.5 52.101.73.11 52.101.73.26	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as9pr05cu01302.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

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:381	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:82b7	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=104.21.3.129,172.67.130.183 ech=AEX+DQBBfwAgACAl533IcYXJW6qRoWgs+SnvMJ2J4HeTQMoPUhdZ2CFeYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:381,2606:4700:3037::ac43:82b7

📝 TXT Records3 records 201ms

TXT Record
IWeRK2mume2/ND6FKrKcwUdBXCBtLZQZaIoGAJWan8D6uLfyvsF/VATW37sCT8OVa3xAB6fsuqcoay8JZfQpuA==
MS=ms43864065
v=spf1 include:cust-spf.exacttarget.com mx ip4:88.131.62.128/25 ip4:91.213.250.1/24 ip4:195.249.254.216/24 ip4:195.249.254.218/24 include:spf.kbds.dk include:mail.zendesk.com include:spf.protection.outlook.com ?all

✉️ SPF

Policy	Record (lindbergh.dk)
?all (neutral)	v=spf1 include:cust-spf.exacttarget.com mx ip4:88.131.62.128/25 ip4:91.213.250.1/24 ip4:195.249.254.216/24 ip4:195.249.254.218/24 include:spf.kbds.dk include:mail.zendesk.com 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)

🔐 DNSSEC2086ms

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	2410402726
Primary NS (MNAME)	cortney.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

46ms

A

49ms

MX

50ms

AAAA

47ms

TXT

201ms

CAA

54ms

HTTPS

60ms

TLSA

777ms

SOA

0ms

MTA-STS

73ms

DNSSEC

2086ms

SRV

67ms

Total

3301ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 18:12:43	3301ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-25 03:43:28	2305ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 21:31:24	9778ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 19:13:19	2687ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 16:54:07	1754ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 06:28:07	1101ms	2 NS 2 A 1 MX	🔓 Insecure	View