dfl-ollerup.dk DNS records

🖥️ Nameservers4 records 47ms

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 Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.65	3600s	vm1379.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dflollerup-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::a 52.101.68.15 52.101.68.16 52.101.73.153 52.101.73.2	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as9pr07cu00302.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 74ms

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

📝 TXT Records4 records 227ms

TXT Record
inst=Den Frie L
MS=996466C2A9549EE241A20A03F4F1128E07F3DED9
mscid=4Dp/CU/nSOqmdFeuJMEAACrzKUNhvQK2jzLg/32+1r3DB69umnV4VXvvnpiZx8A6M3tUYXhf46M69803LFdW1A==
v=spf1 a mx ip4:195.231.225.0/24 ip4:152.115.91.34 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dfl-ollerup.dk)
-all (hard fail)	v=spf1 a mx ip4:195.231.225.0/24 ip4:152.115.91.34 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)

🔐 DNSSEC90ms

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

47ms

A

41ms

MX

33ms

AAAA

44ms

TXT

227ms

CAA

50ms

HTTPS

46ms

TLSA

553ms

SOA

0ms

MTA-STS

63ms

DNSSEC

90ms

SRV

74ms

Total

1295ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:31:47	1295ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 14:45:43	1328ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 14:17:01	1472ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 20:02:31	1894ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 10:19:40	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 02:35:58	668ms	4 NS 1 A 1 MX	🔓 Insecure	View