cityrens.dk DNS records

🖥️ Nameservers3 records 38ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.227	3600s	linux321.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 36ms

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	93.191.156.227
🔶 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 63ms

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

📝 TXT Records1 records 151ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cityrens.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:kontakt@cityrens.dk; ruf=mailto:kontakt@cityrens.dk; fo=1

📬 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 51ms

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…

🔐 DNSSEC85ms

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

🏷️ SOA0ms

Field	Value
Serial	2025091501
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

38ms

A

33ms

MX

36ms

AAAA

40ms

TXT

151ms

CAA

36ms

HTTPS

51ms

TLSA

51ms

SOA

0ms

MTA-STS

64ms

DNSSEC

85ms

SRV

63ms

Total

509ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:10:56	509ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 04:51:27	601ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 23:33:47	634ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:19:44	1189ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 13:10:29	773ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:37:56	1168ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 00:26:28	2400ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:59:58	65535ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:15:05	1666ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:07:13	375ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:00:05	808ms	3 NS 1 A 1 MX	🔒 Secure	View