tui.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.brandshelter.com	193.227.117.15 2a04:2b00:14cc::15	— ns15.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns02.brandshelter.net	194.50.187.16 2a04:2b00:14dd::16	— ns16.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.223.92.241	300s	—	AS56531	TUI Sverige AB	91.223.92.0/24	🇸🇪 Sweden	Stockholm

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	tui-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca21::8 2a01:111:f403:ca48::10 2a01:111:f403:ca48::c 52.101.68.10 52.101.68.21 52.101.68.29 52.101.73.15	mail-db4pr02cu00204.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records24 records 236ms

TXT Record
_2kva3n6elovfpgdw0ga3rp93s74a9ct
_3ekm2no96fddx5kpyup3jvkytwgr9vx
_qba9yc779zenbm3n78nzyjdq351xw7z
_te0jwwnrsh3dusvtg44tghu0gdudhu9
_vwenac18spb6frwnz7fwo69x4bd51zc
_vzrey46m1m020j25galz0fxcrw1xi8s
/D8w3/sDNv0DBM5aZcKaikOrbjZr8iL1ZXhyerNiTac=
5k78btzydxqpglhn54f7ww3dk1rhwpvz
7g62826bywsgxzxkqvtbct3jqjhs3kfg
7lc5n6dq499pyspt9xv409nbzrw6l81n
airtable-verification=8d1e3b312949eac94497888ffe7aa2bc
amazones.com
anthropic-domain-verification-43vf4q=8KTWqrPlzsvibVnBURoAVFZlA
atlassian-domain-verification=R0oe1j5MVuzOqdKW4yS4wJmPYVBXwvWD38S4aubDDMd1ajs310cWJWYxGdEDvkUt
b3bhdvb8bgwthlrpdjxlgnx8tswg1t3x
google-site-verification=hF1VS1wttvXNWiq0Gn4pY_pLAiEPddDHvSDappeVPS8
google-site-verification=IcMVvIg4crtAEQNZNgpIHof7VxK0_bW7uI3j49naFXM
k4zgvrgbtg1xhtjsnrftvmzdq30f3p7s
miro-verification=19616033581ca8585181da321ac5356c3758cec8
MS=ms42282270
p1rk9vvzwl5hfxwtrbtqg0ck095k6130
teamviewer-sso-verification=679a530fcca648f393d6e2edaa24bfde
v=spf1 include:_u.tui.dk._spf.smart.ondmarc.com -all
wxg1chnvdrngn411sxdlz2s4mbrjv6zz

✉️ SPF

Policy	Record (tui.dk)
-all (hard fail)	v=spf1 include:_u.tui.dk._spf.smart.ondmarc.com -all

📨 DMARC

Policy	Record (_dmarc.tui.dk)
p=none (monitor only)	v=DMARC1;p=none;pct=100;fo=1;ri=3600;rua=mailto:2256e681@inbox.ondmarc.com,mailto:dmarc.aggregate@tui.dk;ruf=mailto:2256e681@inbox.ondmarc.com,mailto:dmarc.forensic@tui.dk;

📬 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC107ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026090200
Primary NS (MNAME)	ns01.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

43ms

MX

47ms

AAAA

54ms

TXT

236ms

CAA

40ms

HTTPS

35ms

TLSA

767ms

SOA

0ms

MTA-STS

56ms

DNSSEC

107ms

SRV

87ms

Total

1778ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 12:37:45	1778ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 04:36:57	1793ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 19:41:49	2268ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 13:39:51	3515ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 20:09:07	1675ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 09:54:10	999ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 08:34:58	2293ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 07:00:11	2003ms	2 NS 1 A 1 MX	🔓 Insecure	View