lystroem.dk DNS records

🖥️ Nameservers2 records 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records4 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	3600s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	3600s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	3600s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	3600s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records2 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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)4 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8001::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8002::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8003::153	3600s	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 210ms

TXT Record
jsks6hlb57sjjlvk18xxfrv4w6j7gn3j
protonmail-verification=9811ea383db59be2a1e11858e956ae796490f251
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (lystroem.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.lystroem.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 128ms

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…

🔐 DNSSEC81ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2025044179
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

57ms

A

45ms

MX

66ms

AAAA

41ms

TXT

210ms

CAA

72ms

HTTPS

63ms

TLSA

128ms

SOA

0ms

MTA-STS

63ms

DNSSEC

81ms

SRV

69ms

Total

1028ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 10:07:49	1028ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-27 05:22:39	3263ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-20 06:49:27	6480ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-13 09:49:29	3347ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-08-08 05:13:26	1485ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-31 19:06:52	1291ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-23 07:16:09	1121ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-16 10:38:57	1869ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-10 03:23:17	1685ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-07-03 14:34:40	789ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-06-28 16:41:51	1113ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-06-25 02:56:04	1063ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-06-21 20:41:30	874ms	2 NS 4 A 2 MX	🔒 Secure	View
2026-06-18 04:49:38	1231ms	2 NS 4 A 2 MX	🔒 Secure	View