retrorummet.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.41	3600s	webcluster2.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.alias.proton.me	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	600s	mx2.alias.proton.me	176.119.200.136 176.119.200.136 185.205.70.136 185.205.70.136	mx1.simplelogin.co mx2.simplelogin.co mx1.simplelogin.co mx2.simplelogin.co	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.215.41
🔶 Autoconfig	46.30.215.41

🔷 AAAA Records (IPv6)1 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:804b:697d:b785:f778	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 190ms

TXT Record
pm-verification=swfipszwiyjdcxpmjqytpiifdlqwwx
v=spf1 include:alias.proton.me ~all

✉️ SPF

Policy	Record (retrorummet.dk)
~all (soft fail)	v=spf1 include:alias.proton.me ~all

📨 DMARC

Policy	Record (_dmarc.retrorummet.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s

📬 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 / DANE2 records 154ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.alias.proton.me	DANE-EE · SPKI · SHA-256	73B2D19CF53EE2FB4C4C92A023518318…
SMTP _25._tcp.mx2.alias.proton.me	DANE-EE · SPKI · SHA-256	73B2D19CF53EE2FB4C4C92A023518318…

🔐 DNSSEC2118ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071602
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

55ms

A

58ms

MX

42ms

AAAA

68ms

TXT

190ms

CAA

54ms

HTTPS

57ms

TLSA

154ms

SOA

0ms

MTA-STS

86ms

DNSSEC

2118ms

SRV

82ms

Total

2715ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:51:39	2715ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-16 15:29:36	1022ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-04 22:28:44	1383ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-02 00:08:52	1078ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 06:08:55	1473ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 21:08:39	1269ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 10:18:45	756ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 19:13:22	3697ms	2 NS 1 A 2 MX	🔒 Secure	View