tandvaerk.dk

📜 Historical scan 2026-09-17 13:35:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tandvaerk.dk is a .dk domain served by 2 nameservers (carter.ns.cloudflare.com, nelci.ns.cloudflare.com). It was registered on 6 March 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.176 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tandvaerk-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 155ms

Nameserver	IP addresses	PTR	ASN / ISP
carter.ns.cloudflare.com	108.162.193.80 172.64.33.80 173.245.59.80 2606:4700:58::adf5:3b50 2803:f800:50::6ca2:c150 2a06:98c1:50::ac40:2150	carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com carter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nelci.ns.cloudflare.com	108.162.194.152 162.159.38.152 172.64.34.152 2606:4700:50::a29f:2698 2803:f800:50::6ca2:c298 2a06:98c1:50::ac40:2298	nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.176	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.149.189	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 161ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	tandvaerk-dk.mail.protection.outlook.com	2a01:111:f403:c967::c 2a01:111:f403:ca04::d 2a01:111:f403:ca38::8 2a01:111:f403:ca48::a 52.101.103.39 52.101.68.16 52.101.68.27 52.101.91.21	mail-cpjpr05cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 108ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:95bd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:bb0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 150ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.176,172.67.149.189 ech=AEX+DQBBvQAgACCuP+kxjiHusZI8XVoQ7yEv5GwdG/SkZoKsDHekbplQSwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:95bd,2606:4700:3037::6815:bb0

🔌 SRV Records#

1 records 947ms

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

📝 TXT Records#

1 records 222ms

TXT Record
v=spf1 include:spf.protection.outlook.com

✉️ SPF#

Policy	Record (tandvaerk.dk)
no all — incomplete SPF	v=spf1 include:spf.protection.outlook.com

📨 DMARC#

Policy	Record (_dmarc.tandvaerk.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:5619be47477643aba314a95f3f902316@dmarc-reports.cloudflare.net

📬 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 2026-10-08 10:56:25

www	188.114.96.1 188.114.97.1 2606:4700:3034::ac43:95bd 2606:4700:3037::6815:bb0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tandvaerk.dk: 104.21.11.176 172.67.149.189 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.tandvaerk.dk: 188.114.96.1 188.114.97.1 2606:4700:3034::ac43:95bd 2606:4700:3037::6815:bb0 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: none

warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

177ms

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	2414851429
Primary NS (MNAME)	carter.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 22:40:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-03-06
Expires	2027-03-31 (162d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

155ms

94ms

161ms

AAAA

108ms

TXT

222ms

CAA

132ms

HTTPS

150ms

TLSA

166ms

SOA

0ms

MTA-STS

87ms

DNSSEC

177ms

SRV

947ms

Total

2128ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 06:35:27	1706ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 13:35:24 shown	2128ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 12:52:40	877ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 10:01:52	1966ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 16:23:07	33346ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-17 22:46:28	17114ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-16 20:31:45	1257ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-26 10:38:53	9503ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-24 00:07:02	978ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 21:51:07	979ms	2 NS 0 A 1 MX	🔓 Insecure