tand-z.dk

Records from scan: 2026-10-13 08:43:31 · 959ms total · last checked 2026-10-16 15:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tand-z.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 3 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tandz-dk01b.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 33ms

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 Records#

🌍

No A records found

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tandz-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca09::22 2a01:111:f403:ca48::12 52.101.103.162 52.101.181.156 52.101.68.10 52.101.91.21	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-matpr05cu00105.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 126ms

TXT Record
MS=ms84523865
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tand-z.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.tand-z.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100

📬 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#

checked 2026-10-13 08:43:32

www	NXDOMAIN
www vs bare domain	Neither resolves tand-z.dk: no address www.tand-z.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-tandz-dk01b._domainkey.tandz.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-tandz-dk01b._domainkey.tandz.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

31ms

Field	Value
Serial	2026101200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 09:17:17

Field	Value
Registrar	Simply.com A/S
Registered	2020-12-03
Expires	2026-12-31 (75d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
8880.dk	Punktum dk A/S (direct)
artusbyg.dk	Simply.com A/S
fregat.dk	Simply.com A/S
jafinvest.dk	Simply.com A/S
skydt.dk	Simply.com A/S
smsuserit.dk	Simply.com A/S
userhosting.dk	Punktum dk A/S (direct)
userit.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

33ms

30ms

26ms

AAAA

22ms

TXT

126ms

CAA

24ms

HTTPS

23ms

TLSA

589ms

SOA

31ms

MTA-STS

30ms

DNSSEC

52ms

SRV

37ms

Total

959ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:43:31 shown	959ms	4 NS 0 A 1 MX	🔒 Secure
2026-10-01 21:55:34	1284ms	4 NS 0 A 1 MX	🔒 Secure
2026-09-22 14:44:59	816ms	4 NS 0 A 1 MX	🔒 Secure
2026-08-28 08:29:53	1143ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-25 08:37:13	3575ms	4 NS 0 A 1 MX	🔒 Secure
2026-06-24 09:07:15	934ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:37:06	1013ms	4 NS 0 A 1 MX	🔒 Secure