seniorcentret.dk DNS records

🖥️ Nameservers4 records 92ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.216	—	linux314.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records6 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	2a00:1450:4025:c03::1a 74.125.206.27	rc-in-f26.1e100.net wk-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4000:1025::1a	so-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26 2607:f8b0:400e:c1e::1b	yunrtab-in-f26.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 117ms

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

✉️ SPF

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

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

📨 DMARC

Policy	Record (_dmarc.seniorcentret.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 132ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC84ms

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

🏷️ SOA60ms

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

92ms

A

43ms

MX

43ms

AAAA

40ms

TXT

117ms

CAA

43ms

HTTPS

61ms

TLSA

132ms

SOA

60ms

MTA-STS

62ms

DNSSEC

84ms

SRV

0ms

Total

852ms