rbif.dk DNS records

🖥️ Nameservers3 records 193ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 192ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.100	—	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 192ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 297ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (rbif.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.rbif.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 75ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC344ms

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

🏷️ SOA189ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

193ms

A

192ms

MX

192ms

AAAA

191ms

TXT

297ms

CAA

191ms

HTTPS

191ms

TLSA

75ms

SOA

189ms

MTA-STS

57ms

DNSSEC

344ms

SRV

138ms

Total

744ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 12:09:16	473ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 07:03:15	532ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 15:12:00	2893ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-14 04:28:34	2081ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-13 01:27:31	713ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 12:48:42	4040ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 03:54:39	1638ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 13:32:51	1021ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 20:05:16	524ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 14:42:11	2758ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 04:15:56	1099ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 23:15:05	431ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 22:51:34	532ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:25:17	744ms	3 NS 1 A 1 MX	🔒 Secure	View