grundholmbyg.dk DNS records

🖥️ Nameservers2 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records2 records 2039ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
15.197.148.33	598s	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	15.196.0.0/14	🇺🇸 United States	—
3.33.130.190	598s	a2aa9ff50de748dbe.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	3.33.128.0/17	🇺🇸 United States	—

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	grundholmbyg-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::7 2a01:111:f403:ca04::d 2a01:111:f403:ca48::c 52.101.209.153 52.101.68.0 52.101.73.12 52.101.73.15	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 101ms

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

📝 TXT Records1 records 299ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (grundholmbyg.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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

🔗 TLSA / DANE

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

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2024110802
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

76ms

A

2039ms

MX

68ms

AAAA

66ms

TXT

299ms

CAA

68ms

HTTPS

47ms

TLSA

437ms

SOA

0ms

MTA-STS

96ms

DNSSEC

124ms

SRV

101ms

Total

2966ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 22:24:01	2966ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 01:55:43	1565ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-28 14:56:13	1927ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 04:48:29	1369ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 03:55:09	1151ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 01:00:02	957ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 16:19:54	926ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 20:22:42	3146ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 09:26:51	823ms	2 NS 2 A 1 MX	🔓 Insecure	View