tui.dk

📜 Historical scan 2026-06-26 20:09:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tui.dk is a .dk domain served by 2 nameservers (ns01.brandshelter.com, ns02.brandshelter.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.223.92.241 is hosted by TUI Sverige AB (AS56531) in Sweden. Mail is handled by tui-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 52ms

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 AS1921 ipcom GmbH

🌍 A Records#

1 records 46ms

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 Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	tui-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca04::8 52.101.68.18 52.101.68.27 52.101.73.15 52.101.73.16	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 89ms

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

📝 TXT Records#

23 records 232ms

TXT Record
_2kva3n6elovfpgdw0ga3rp93s74a9ct
_3ekm2no96fddx5kpyup3jvkytwgr9vx
_qba9yc779zenbm3n78nzyjdq351xw7z
_te0jwwnrsh3dusvtg44tghu0gdudhu9
_vwenac18spb6frwnz7fwo69x4bd51zc
/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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 06:51:10

www CNAME	tuinordic_wwwtuidk.edgekey.net (all on edgekey.net) → 2.23.172.57 2.23.172.80 2a02:26f0:3b::5f64:9bb1 2a02:26f0:3b::5f64:9bb3 (AS20940)
www vs bare domain	Different networks tui.dk: 91.223.92.241 (AS56531) www.tui.dk: 2.23.172.57 2.23.172.80 2a02:26f0:3b::5f64:9bb1 2a02:26f0:3b::5f64:9bb3 (AS20940) (all like this)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-tui-dk._domainkey.tuigroup.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

123ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026062501
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

52ms

46ms

40ms

AAAA

46ms

TXT

232ms

CAA

46ms

HTTPS

44ms

TLSA

945ms

SOA

0ms

MTA-STS

68ms

DNSSEC

123ms

SRV

89ms

Total

1675ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:35:28	1159ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-04 12:37:45	1778ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 04:36:57	1793ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 19:41:49	2268ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-28 13:39:51	3515ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-26 20:09:07 shown	1675ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 09:54:10	999ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 08:34:58	2293ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 07:00:11	2003ms	2 NS 1 A 1 MX	🔓 Insecure