grau-engineering.dk

📜 Historical scan 2026-08-26 16:28:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grau-engineering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mx1.emailsrvr.com, mx2.emailsrvr.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 29ms

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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.emailsrvr.com	146.20.161.1	mx1.emailsrvr.com	AS27357 Rackspace Hosting
20	600s	mx2.emailsrvr.com	146.20.161.2	mx2.emailsrvr.com	AS27357 Rackspace Hosting

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 16:09:15

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network grau-engineering.dk: 195.47.247.18 (AS51468) www.grau-engineering.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026082501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

29ms

32ms

35ms

AAAA

28ms

TXT

137ms

CAA

29ms

HTTPS

29ms

TLSA

149ms

SOA

0ms

MTA-STS

45ms

DNSSEC

101ms

SRV

46ms

Total

763ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 14:37:03	1490ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-26 11:28:34	589ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-24 11:02:38	2438ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-14 04:17:20	732ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-03 18:19:09	1455ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 16:42:33	819ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 16:28:32 shown	763ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-24 20:36:48	2752ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-26 05:38:21	1412ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-16 18:09:09	978ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-26 15:50:54	2334ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 22:18:53	939ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-24 04:54:56	1104ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 10:16:18	2026ms	2 NS 1 A 2 MX	🔒 Secure