byruby.dk DNS records

🖥️ Nameservers2 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.concrete5danmark.dk	88.99.120.238	ns1.dnshotel.dk	AS24940 Hetzner Online GmbH
ns2.concrete5danmark.dk	94.130.170.39	ns2.dnshotel.dk	AS24940 Hetzner Online GmbH

🌍 A Records1 records 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
138.201.255.81	360s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	138.201.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	byruby.dk	138.201.255.81 2a01:4f8:173:2652::1	server.concrete5danmark.dk server.concrete5danmark.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:173:2652::1	3600s	server.concrete5danmark.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 324ms

TXT Record
v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (byruby.dk)
~all (soft fail)	v=spf1 ip4:138.201.255.81 include:spf.azehosting.net +a +mx +ip4:138.201.130.182 +include:relay.mailchannels.net ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.byruby.dk	Ew8p3GscGrjg_ftHHACKycCA2mA1NhSq0V8HtuBB5UI

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC101ms

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	2026081303
Primary NS (MNAME)	ns1.concrete5danmark.dk
Responsible (RNAME)	server-admin@azehosting.net
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

67ms

A

47ms

MX

69ms

AAAA

46ms

TXT

324ms

CAA

51ms

HTTPS

84ms

TLSA

78ms

SOA

0ms

MTA-STS

119ms

DNSSEC

101ms

SRV

2079ms

Total

4578ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:13:03	6738ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-13 19:36:29	4578ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-29 05:48:46	9842ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 03:18:17	818ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 02:27:28	6581ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 02:11:24	883ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 02:04:11	16726ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-21 09:52:01	901ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-19 14:47:20	830ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-18 12:40:13	847ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 02:22:50	10022ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-14 21:12:05	979ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 01:25:02	7173ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 16:34:07	1090ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 07:52:49	648ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 09:30:10	827ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 18:25:58	687ms	2 NS 1 A 1 MX	🔓 Insecure	View