trustworks.dk

📜 Historical scan 2026-06-25 15:04:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

trustworks.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 January 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.228.4.16 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by trustworks-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 88ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
54.228.4.16	600s	ec2-54-228-4-16.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	54.228.0.0/14	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	trustworks-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::4 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.12 52.101.68.21 52.101.73.153	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.232.24
🔶 Autoconfig	77.111.240.172

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 215ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

6 records 169ms

TXT Record
anthropic-domain-verification-a0228s=Q7FQ9TeWDxgtexJOB5d9MNn8T
B9280FAE3E893305A70D12E8F125F36422AB41795F64D6F334A739DF34F0FFAE
brevo-code:727f18a6403fdac0dc6346e77f876f84
MS=ms60808943
qkbjuqvxbr
v=spf1 ip4:78.153.178.166 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (trustworks.dk)
-all (hard fail)	v=spf1 ip4:78.153.178.166 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 09:02:03

www CNAME	d3n2qvod35zpzn.cloudfront.net (all on cloudfront.net) → 3.174.18.106 3.174.18.115 3.174.18.73 3.174.18.95 2600:9000:28e5:1e00:10:9693:d4c0:93a1 2600:9000:28e5:3a00:10:9693:d4c0:93a1 2600:9000:28e5:400:10:9693:d4c0:93a1 2600:9000:28e5:8600:10:9693:d4c0:93a1 (AS16509)
www vs bare domain	Different networks trustworks.dk: 195.47.247.18 (AS51468) www.trustworks.dk: 3.174.18.106 3.174.18.115 3.174.18.73 3.174.18.95 (AS16509) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.trustworks.dk	4fUg4rX6Rqvq4Ra7cmFOTzCWiPHaFAPNKnAvxHqfMKw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2026062504
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-03 02:55:22

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-01-21
Expires	2027-01-31 (103d)

📋 WHOIS#

⏱️ Lookup Timing#

88ms

34ms

AAAA

36ms

TXT

169ms

CAA

68ms

HTTPS

180ms

TLSA

114ms

SOA

33ms

MTA-STS

41ms

DNSSEC

100ms

SRV

215ms

Total

736ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 02:31:31	3659ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 02:01:24	1265ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 00:54:02	908ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 14:41:29	937ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:13:24	964ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 07:28:46	1559ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:55:42	2679ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 18:12:12	1437ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 02:42:56	1671ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 22:00:43	3124ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 10:28:27	772ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:04:49 shown	736ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 03:28:04	1310ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 22:42:41	991ms	2 NS 1 A 1 MX	🔒 Secure