grz.dk

📜 Historical scan 2026-10-04 09:06:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grz.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, kobe.ns.cloudflare.com). It was registered on 9 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.61.100.151 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, 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 59ms

Nameserver	IP addresses	PTR	ASN / ISP
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kobe.ns.cloudflare.com	108.162.195.193 162.159.44.193 172.64.35.193 2606:4700:58::a29f:2cc1 2803:f800:50::6ca2:c3c1 2a06:98c1:50::ac40:23c1	kobe.ns.cloudflare.com kobe.ns.cloudflare.com kobe.ns.cloudflare.com kobe.ns.cloudflare.com kobe.ns.cloudflare.com kobe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.61.100.151	300s	0x573d6497.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.61.0.0/17	🇩🇰 Denmark	Aarhus

📧 MX Records#

7 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 74.125.131.26	lf-in-f26.1e100.net lf-in-x1a.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 181ms

TXT Record
v=spf1 include:aspmx.googlemail.com ~all

✉️ SPF#

Policy	Record (grz.dk)
~all (soft fail)	v=spf1 include:aspmx.googlemail.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 2026-10-15 10:34:43

www	NXDOMAIN
www vs bare domain	www does not resolve grz.dk: 87.61.100.151 (AS3292) www.grz.dk: no address (all like this)
Wildcard	No

✍️ 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: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.grz.dk	BzOUmMv00Of2op-mChvLupDSPb1CwfonKcrNoXV6__0
TXT	_acme-challenge.grz.dk	aJcYPaOYjSFGQxDf8J6oRJAmNgpNAFnrpja9014XKS0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

51ms

Field	Value
Serial	2416582687
Primary NS (MNAME)	fiona.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 22:56:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-01-09
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

59ms

42ms

53ms

AAAA

41ms

TXT

181ms

CAA

51ms

HTTPS

48ms

TLSA

290ms

SOA

51ms

MTA-STS

65ms

DNSSEC

71ms

SRV

68ms

Total

1011ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 09:11:19	545ms	2 NS 1 A 7 MX	🔓 Insecure
2026-10-04 09:06:11 shown	1011ms	2 NS 1 A 7 MX	🔓 Insecure
2026-09-30 17:15:14	724ms	2 NS 1 A 7 MX	🔓 Insecure
2026-09-29 21:09:24	1113ms	2 NS 1 A 7 MX	🔓 Insecure
2026-09-19 18:37:10	1396ms	2 NS 1 A 7 MX	🔓 Insecure
2026-08-03 04:54:43	1372ms	2 NS 1 A 7 MX	🔓 Insecure
2026-07-20 20:22:40	1652ms	2 NS 1 A 7 MX	🔓 Insecure
2026-07-02 11:25:29	1607ms	2 NS 1 A 7 MX	🔓 Insecure
2026-06-20 00:10:07	1174ms	2 NS 1 A 7 MX	🔓 Insecure
2026-06-17 10:04:21	12227ms	2 NS 1 A 7 MX	🔓 Insecure