tandrup.dk DNS records

🖥️ Nameservers4 records 56ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.56.144.4	3600s	plesk2.fkly.dk	AS31027	GlobalConnect A/S	5.56.144.0/20	🇩🇰 Denmark	Brøndby

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	tandrup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.103.143 52.101.68.10 52.101.68.21 52.101.68.25	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.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
🔶 Autoconfig	5.56.144.4

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 91ms

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

📝 TXT Records1 records 253ms

TXT Record
v=spf1 ip4:194.239.212.186 ip4:194.126.250.189 include:spf.protection.outlook.com include:eu.zcsend.net -all

✉️ SPF

Policy	Record (tandrup.dk)
-all (hard fail)	v=spf1 ip4:194.239.212.186 ip4:194.126.250.189 include:spf.protection.outlook.com include:eu.zcsend.net -all

📨 DMARC

Policy	Record (_dmarc.tandrup.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@tandrup.uriports.com; ruf=mailto:dmarc@tandrup.uriports.com; fo=1:d:s

📬 MTA-STS455ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20230525121321Z
max_age	86400s
Policy MX	*.mail.protection.outlook.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@tandrup.uriports.com

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC177ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2024070900
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

56ms

A

63ms

MX

49ms

AAAA

60ms

TXT

253ms

CAA

74ms

HTTPS

59ms

TLSA

801ms

SOA

0ms

MTA-STS

455ms

DNSSEC

177ms

SRV

91ms

Total

1983ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 16:30:03	1983ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 09:02:32	2379ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 07:02:05	1178ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:29:36	1052ms	4 NS 1 A 1 MX	🔒 Secure	View