remuc.dk DNS records

🖥️ Nameservers4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.f-solutions.fi	2a00:4cc0:22::53 37.16.126.20	ns1.f-solutions.fi ns1.f-solutions.fi	AS57664 F-Solutions Oy AS57664 F-Solutions Oy
ns1.f-solutions.net	2a00:4cc0:22::54 37.16.126.21	ns1.f-solutions.net ns2.f-solutions.net	AS57664 F-Solutions Oy AS57664 F-Solutions Oy
ns2.f-solutions.fi	178.213.234.20 2a00:4cc1:16::53	ns2.f-solutions.fi ns2.f-solutions.fi	AS51691 F-Solutions Oy AS51691 F-Solutions Oy
ns2.f-solutions.net	178.213.234.21 2a00:4cc1:16::54	ns2.f-solutions.net ns2.f-solutions.net	AS51691 F-Solutions Oy AS51691 F-Solutions Oy

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.155.108.217	3600s	217.108.155.104.bc.googleusercontent.com	AS396982	Google LLC	104.154.0.0/15	🇧🇪 Belgium	Brussels

📧 MX Records2 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.f-solutions.fi	178.213.234.25 2a00:4cc1:16::f25	mx1.f-solutions.fi mx1.f-solutions.fi	AS51691 F-Solutions Oy AS51691 F-Solutions Oy
20	3600s	mx2.f-solutions.fi	2a00:4cc0:22::f25 37.16.126.25	mx2.f-solutions.fi mx2.f-solutions.fi	AS57664 F-Solutions Oy AS57664 F-Solutions Oy

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔶 Autoconfig	https.f-solutions.fi → 178.213.234.12

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 251ms

TXT Record
v=spf1 include:spf1.f-solutions.fi ?all

✉️ SPF

Policy	Record (remuc.dk)
?all (neutral)	v=spf1 include:spf1.f-solutions.fi ?all

📨 DMARC

Policy	Record (_dmarc.remuc.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.remuc.dk	remuc.dk.acme.fsol.fi

🔗 TLSA / DANE4 records 205ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.f-solutions.fi	DANE-EE · Full cert · SHA-512	1736612D407EF056DF430FC88C92A877…
SMTP _25._tcp.mx1.f-solutions.fi	DANE-EE · Full cert · SHA-512	6A340E0B6737074E1C7C57691771F3D8…
SMTP _25._tcp.mx2.f-solutions.fi	DANE-EE · Full cert · SHA-512	6A340E0B6737074E1C7C57691771F3D8…
SMTP _25._tcp.mx2.f-solutions.fi	DANE-EE · Full cert · SHA-512	1736612D407EF056DF430FC88C92A877…

🔐 DNSSEC115ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2021101805
Primary NS (MNAME)	ns1.f-solutions.fi
Responsible (RNAME)	admins@f-solutions.fi
Refresh	10800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

41ms

A

41ms

MX

57ms

AAAA

72ms

TXT

251ms

CAA

44ms

HTTPS

47ms

TLSA

205ms

SOA

0ms

MTA-STS

72ms

DNSSEC

115ms

SRV

97ms

Total

2113ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 04:45:44	2113ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-26 13:33:27	2101ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-21 13:45:13	7385ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-18 08:45:36	1784ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-10 10:01:25	10756ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-06 06:31:35	1732ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-27 21:55:48	18072ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 17:15:19	4100ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-22 16:52:02	2795ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-11 04:52:05	1521ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-09 13:01:47	2977ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-07-01 02:35:50	1334ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 09:11:17	5313ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-27 05:59:46	1194ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 16:48:34	2956ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 23:53:53	990ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:08:35	1794ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-18 05:40:06	7075ms	4 NS 1 A 2 MX	🔓 Insecure	View