nyholmbulow.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
jason.ns.cloudflare.com	108.162.193.179 172.64.33.179 173.245.59.179 2606:4700:58::adf5:3bb3 2803:f800:50::6ca2:c1b3 2a06:98c1:50::ac40:21b3	jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com jason.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
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.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 225ms

TXT Record
protonmail-verification=709f54274e17031dfc98c5b05547a4212f5292c4
v=spf1 include:_spf.protonmail.ch mx -all

✉️ SPF

Policy	Record (nyholmbulow.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch mx -all

📨 DMARC

Policy	Record (_dmarc.nyholmbulow.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:b46a37206f3b456fbf621574cddc21fb@dmarc-reports.cloudflare.net

📬 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 / DANE4 records 52ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC99ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413153296
Primary NS (MNAME)	jason.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

61ms

A

63ms

MX

67ms

AAAA

59ms

TXT

225ms

CAA

64ms

HTTPS

62ms

TLSA

52ms

SOA

0ms

MTA-STS

70ms

DNSSEC

99ms

SRV

74ms

Total

743ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:01:35	743ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-18 09:53:21	3164ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-17 03:09:54	4665ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-27 22:58:16	852ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-22 05:34:04	708ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 13:34:52	2513ms	2 NS 0 A 2 MX	🔓 Insecure	View