dahlengineering.dk

📜 Historical scan 2026-07-02 00:26:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahlengineering.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.252.120.89 is hosted by Tilaa B.V. (AS196752) in The Netherlands. Mail is handled by dahlengineering-dk.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
37.252.120.89	900s	vizuall.tilaa.cloud	AS196752	Tilaa B.V.	37.252.120.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	dahlengineering-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::6 2a01:111:f403:ca04::8 2a01:111:f403:ca09::d 52.101.68.0 52.101.68.16 52.101.68.39 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00300.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 63ms

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

📝 TXT Records#

2 records 114ms

TXT Record
MS=ms40257535
v=spf1 ip4:37.97.15.120 ip4:94.199.205.104 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dahlengineering.dk)
-all (hard fail)	v=spf1 ip4:37.97.15.120 ip4:94.199.205.104 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.dahlengineering.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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 05:33:19

www	37.252.120.89 (AS196752) (address records, no CNAME)
www vs bare domain	Same network dahlengineering.dk: 37.252.120.89 (AS196752) www.dahlengineering.dk: 37.252.120.89 (AS196752)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-dahlengineering-dk._domainkey.dahlengineering.d-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-dahlengineering-dk._domainkey.dahlengineering.d-v1.dkim.mail.microsoft	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#

131ms

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

🏷️ SOA#

60ms

Field	Value
Serial	2026033002
Primary NS (MNAME)	ns2.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

67ms

63ms

61ms

AAAA

64ms

TXT

114ms

CAA

55ms

HTTPS

65ms

TLSA

165ms

SOA

60ms

MTA-STS

61ms

DNSSEC

131ms

SRV

63ms

Total

826ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-02 04:57:54	865ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:26:56 shown	826ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:42:42	2333ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 23:40:53	681ms	2 NS 1 A 1 MX	🔒 Secure