zimsystem.dk DNS records

🖥️ Nameservers4 records 83ms

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 98ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.69	—	nt42.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 60ms

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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.191.156.69
🔶 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 157ms

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

📝 TXT Records2 records 265ms

TXT Record
google-site-verification=jYTaNtBlJfU_lfItr3EJQ91Hp9EtBTxw09WfUQ0GIgA
v=spf1 mx a ip4:185.156.98.142 include:spf.simply.com -all

✉️ SPF

Policy	Record (zimsystem.dk)
-all (hard fail)	v=spf1 mx a ip4:185.156.98.142 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.zimsystem.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 58ms

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…

🔐 DNSSEC79ms

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

🏷️ SOA81ms

Field	Value
Serial	2026052801
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

83ms

A

98ms

MX

60ms

AAAA

101ms

TXT

265ms

CAA

59ms

HTTPS

66ms

TLSA

58ms

SOA

81ms

MTA-STS

86ms

DNSSEC

79ms

SRV

157ms

Total

706ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:06:48	632ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 22:50:50	1043ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 12:39:34	598ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:05:41	664ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 04:55:32	1180ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 07:44:00	706ms	4 NS 1 A 1 MX	🔒 Secure	View