grons.dk

📜 Historical scan 2026-09-25 20:32:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grons.dk is a .dk domain served by 2 nameservers (perla.ns.cloudflare.com, uriah.ns.cloudflare.com). It was registered on 16 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.93.134 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by grons-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
perla.ns.cloudflare.com	108.162.194.203 162.159.38.203 172.64.34.203 2606:4700:50::a29f:26cb 2803:f800:50::6ca2:c2cb 2a06:98c1:50::ac40:22cb	perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com perla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
uriah.ns.cloudflare.com	108.162.195.194 162.159.44.194 172.64.35.194 2606:4700:58::a29f:2cc2 2803:f800:50::6ca2:c3c2 2a06:98c1:50::ac40:23c2	uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com uriah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.134	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.48	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	grons-dk.mail.protection.outlook.com	2a01:111:f403:ca21::10 2a01:111:f403:ca21::8 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::8 52.101.209.153 52.101.209.28 52.101.68.27 52.101.73.126	mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:d230	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5d86	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.134,172.67.210.48 ech=AEX+DQBBkwAgACB2w4vfa+M9HHlOZHTJfrR3J8XZyEh+mfsimKlmhHUyJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:d230,2606:4700:3035::6815:5d86

🔌 SRV Records#

1 records 72ms

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

📝 TXT Records#

2 records 186ms

TXT Record
MS=ms69487092
v=spf1 ip4:92.43.124.146 ip4:92.43.124.218 ip4:92.43.124.143 ip4:92.43.124.79 ip4:159.8.140.136 ip4:37.58.122.169 ip4:80.243.123.26 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk -all

✉️ SPF#

Policy	Record (grons.dk)
-all (hard fail)	v=spf1 ip4:92.43.124.146 ip4:92.43.124.218 ip4:92.43.124.143 ip4:92.43.124.79 ip4:159.8.140.136 ip4:37.58.122.169 ip4:80.243.123.26 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk -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 2026-10-18 15:00:30

www	104.21.93.134 172.67.210.48 2606:4700:3034::ac43:d230 2606:4700:3035::6815:5d86 (AS13335) (address records, no CNAME)
www vs bare domain	Same network grons.dk: 104.21.93.134 172.67.210.48 2606:4700:3034::ac43:d230 2606:4700:3035::6815:5d86 (AS13335) www.grons.dk: 104.21.93.134 172.67.210.48 2606:4700:3034::ac43:d230 2606:4700:3035::6815:5d86 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

92ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412704885
Primary NS (MNAME)	perla.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 22:47:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-03-16
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

34ms

40ms

AAAA

45ms

TXT

186ms

CAA

51ms

HTTPS

47ms

TLSA

622ms

SOA

0ms

MTA-STS

65ms

DNSSEC

92ms

SRV

72ms

Total

1201ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 15:00:30	1376ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-04 22:09:48	1969ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 20:32:34 shown	1201ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 07:52:24	1028ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 05:19:57	8379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 21:07:02	2154ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 14:00:53	1862ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 17:29:43	1130ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 17:16:30	1612ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 15:54:56	1682ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 09:23:52	883ms	2 NS 2 A 1 MX	🔓 Insecure