rebyte.dk DNS records

🖥️ Nameservers3 records 43ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.142	3600s	linux130.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	94.231.103.142
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 97ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records1 records 256ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rebyte.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 42ms

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…

🔐 DNSSEC127ms

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

🏷️ SOA0ms

Field	Value
Serial	2025072501
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

43ms

A

54ms

MX

47ms

AAAA

76ms

TXT

256ms

CAA

53ms

HTTPS

29ms

TLSA

42ms

SOA

0ms

MTA-STS

113ms

DNSSEC

127ms

SRV

97ms

Total

671ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 10:25:21	671ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 16:41:59	8726ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 19:26:45	4995ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-14 01:34:43	3184ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-12 10:17:52	10190ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-11 07:21:26	5402ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-10 04:08:19	1239ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-07 08:09:50	1425ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-05 20:40:25	1581ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-08-03 22:55:31	3756ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-27 11:40:35	1649ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-26 11:36:01	3068ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-06-25 20:32:49	1304ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 12:34:55	417ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 19:29:44	908ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 05:47:19	712ms	3 NS 1 A 1 MX	🔒 Secure	View