grau-engineering.dk

📜 Historical scan 2026-06-26 15:50:54 · ← 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 211ms

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 209ms

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 210ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.emailsrvr.com	184.106.54.1	mx1.emailsrvr.com	AS19994 Rackspace Hosting
20	600s	mx2.emailsrvr.com	108.166.43.2 146.20.161.2 173.203.187.2 184.106.54.2	mx2.emailsrvr.com mx2.emailsrvr.com mx2.emailsrvr.com mx2.emailsrvr.com	AS19994 Rackspace Hosting AS27357 Rackspace Hosting AS27357 Rackspace Hosting AS19994 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#

305ms

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

🏷️ SOA#

208ms

Field	Value
Serial	2026062407
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#

211ms

209ms

210ms

AAAA

211ms

TXT

549ms

CAA

197ms

HTTPS

262ms

TLSA

276ms

SOA

208ms

MTA-STS

234ms

DNSSEC

305ms

SRV

235ms

Total

2334ms

🕐 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	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 shown	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