sydboligen.dk DNS records

🖥️ Nameservers4 records 35ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.104	3600s	linux225.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

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	93.191.156.104
🔶 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 56ms

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

📝 TXT Records4 records 166ms

TXT Record
facebook-domain-verification=izfcmwbnqbxoct6dfq9puhq08gnm5c
klaviyo-site-verification=TnSmeB
v=spf1 include:servers.mcsv.net ?all
v=spf1 include:spf.simply.com ~allv include:_spf.mlsend.com include:spf.simply.com ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (sydboligen.dk)
?all (neutral)	v=spf1 include:servers.mcsv.net ?all
~all (soft fail)	v=spf1 include:spf.simply.com ~allv include:_spf.mlsend.com include:spf.simply.com ~all

📨 DMARC

Policy	Record (_dmarc.sydboligen.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 111ms

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…

🔐 DNSSEC82ms

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

🏷️ SOA0ms

Field	Value
Serial	2025091901
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

35ms

A

32ms

MX

35ms

AAAA

34ms

TXT

166ms

CAA

62ms

HTTPS

42ms

TLSA

111ms

SOA

0ms

MTA-STS

62ms

DNSSEC

82ms

SRV

56ms

Total

824ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:11:41	824ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 23:30:57	604ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 11:14:30	2164ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 22:59:20	695ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 04:44:11	914ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 11:54:25	884ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 04:46:44	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 23:54:13	624ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 17:31:32	922ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 16:26:15	895ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:56:39	626ms	4 NS 1 A 1 MX	🔒 Secure	View