holdbikro.dk DNS records

🖥️ Nameservers3 records 62ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.63	3600s	linux196.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 58ms

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	93.191.156.63
🔶 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 108ms

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

📝 TXT Records1 records 217ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.holdbikro.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 79ms

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…

🔐 DNSSEC145ms

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

62ms

A

52ms

MX

58ms

AAAA

56ms

TXT

217ms

CAA

61ms

HTTPS

54ms

TLSA

79ms

SOA

0ms

MTA-STS

105ms

DNSSEC

145ms

SRV

108ms

Total

817ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 14:23:51	817ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 01:48:35	9234ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-27 23:20:04	1518ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-26 23:03:59	3401ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-25 22:41:20	1378ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-24 22:23:06	1336ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-23 21:57:42	1322ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-22 20:58:02	1660ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-21 12:16:34	1325ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-20 11:17:35	3098ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-19 06:33:42	3300ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-18 06:03:10	1838ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-15 06:03:45	1231ms	3 NS 0 A 0 MX	⚠️ Bogus	View
2026-07-14 05:34:12	2677ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-25 11:16:42	425ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 10:53:02	1189ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:40:40	617ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 13:27:53	404ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 11:31:33	658ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:14:24	304ms	0 NS 0 A 0 MX	❓ Unknown	View