rbbyg.dk DNS records

🖥️ Nameservers4 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	—	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records1 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.41	3600s	ispc11.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rbbyg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 2a01:111:f403:ca09::7 52.101.68.16 52.101.68.27 52.101.68.32 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40
🔶 Autoconfig	178.20.216.41

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 268ms

TXT Record
MS=ms83812404
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rbbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rbbyg.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 Records2 records 38ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🔗 TLSA / DANE

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

🔐 DNSSEC73ms

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

🏷️ SOA39ms

Field	Value
Serial	2016010300
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster\@dotserv@com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

48ms

MX

39ms

AAAA

63ms

TXT

268ms

CAA

38ms

HTTPS

47ms

TLSA

482ms

SOA

39ms

MTA-STS

79ms

DNSSEC

73ms

SRV

107ms

Total

1304ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-29 23:07:18	1304ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 00:31:15	1479ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 16:21:52	3912ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:50:42	2525ms	4 NS 1 A 1 MX	🔓 Insecure	View