duf-rejser.dk DNS records

🖥️ Nameservers3 records 39ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.103.128.37	600s	37-128.vitec.se	AS197332	Vitec Software Group AB	194.103.128.0/23	🇸🇪 Sweden	—

📧 MX Records1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	15217s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 212.237.249.80

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 175ms

TXT Record
facebook-domain-verification=8fx4xd7g6wzk9o2uy5881kxjfg9w0g
google-site-verification=9pnG188ZM8z30ghPWCiZVmjEBER59QTxss-cP-XKuPo
tiktok-developers-site-verification=fPg8Tx5DbprPGHVpPlTddW5Q0ResZagC
v=spf1 include:spf.curanet.dk include:emsd1.com include:servers.mcsv.net include:spf.mandrillapp.com include:mailgun.org include:mail.zendesk.com ~all

✉️ SPF

Policy	Record (duf-rejser.dk)
~all (soft fail)	v=spf1 include:spf.curanet.dk include:emsd1.com include:servers.mcsv.net include:spf.mandrillapp.com include:mailgun.org include:mail.zendesk.com ~all

📨 DMARC

Policy	Record (_dmarc.duf-rejser.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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 / DANE1 records 106ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026073001
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

39ms

A

41ms

MX

39ms

AAAA

45ms

TXT

175ms

CAA

39ms

HTTPS

42ms

TLSA

106ms

SOA

0ms

MTA-STS

54ms

DNSSEC

84ms

SRV

63ms

Total

694ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 16:26:30	694ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:01:11	756ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 20:35:00	9069ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 10:27:28	711ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:55:10	750ms	3 NS 1 A 1 MX	🔒 Secure	View