byus.dk DNS records

🖥️ Nameservers4 records 76ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.4	3600s	nt1.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 87ms

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	94.231.109.4
🔶 Autoconfig	94.231.109.4

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔗 TLSA / DANE2 records 37ms

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…

🔐 DNSSEC182ms

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

🏷️ SOA0ms

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

76ms

A

86ms

MX

87ms

AAAA

86ms

TXT

251ms

CAA

101ms

HTTPS

72ms

TLSA

37ms

SOA

0ms

MTA-STS

77ms

DNSSEC

182ms

SRV

144ms

Total

818ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-21 10:03:54	818ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 17:15:50	1344ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-18 15:19:56	3763ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-17 14:15:21	4389ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-10 14:05:18	3282ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-08 12:13:52	9677ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-07 02:58:53	1914ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-04 20:37:21	2345ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-04 09:54:14	1162ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-03 22:09:33	2490ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-02 20:52:18	1755ms	4 NS 0 A 0 MX	⚠️ Bogus	View
2026-06-16 18:48:10	1587ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:32:35	3214ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 18:30:07	2660ms	4 NS 1 A 1 MX	🔒 Secure	View