holsteinsgade29.dk DNS records

🖥️ Nameservers4 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records4 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.185.159.144	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	New York
198.185.159.145	3600s	—	AS53831	Squarespace, Inc.	198.185.159.0/24	🇺🇸 United States	—
198.49.23.144	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—
198.49.23.145	3600s	—	AS53831	Squarespace, Inc.	198.49.23.0/24	🇺🇸 United States	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	holsteinsgade29-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca09::b 52.101.103.140 52.101.103.36 52.101.68.15 52.101.68.32	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.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 122ms

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

📝 TXT Records4 records 195ms

TXT Record
mailerlite-domain-verification=0f44e1388f8db0a7d359268d9039cd398acd34d5
MS=ms64662476
mscid=RSMV+p4jRvud+qKpFytukmrOIyl7tl8OEHAL8QopwBaWQOMldY+Tv/Z4myiEVTnnbHvzL2iAEejzmv4pK8KF/Q==
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (holsteinsgade29.dk)
-all (hard fail)	v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.holsteinsgade29.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC89ms

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	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

42ms

MX

48ms

AAAA

50ms

TXT

195ms

CAA

47ms

HTTPS

50ms

TLSA

774ms

SOA

0ms

MTA-STS

59ms

DNSSEC

89ms

SRV

122ms

Total

1415ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 11:26:48	1415ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-29 09:49:58	1058ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-29 05:43:26	1546ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-27 19:52:50	2846ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 14:26:34	1028ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-20 22:17:30	1018ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-19 06:59:42	1749ms	4 NS 4 A 1 MX	🔓 Insecure	View
2026-06-17 13:58:52	3662ms	4 NS 4 A 1 MX	🔓 Insecure	View