sintec.dk DNS records

🖥️ Nameservers2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 24ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.111	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
8	3600s	sintec-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 52.101.68.0 52.101.68.21 52.101.68.3 52.101.73.6	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.24
🔶 Autoconfig	46.30.213.111

🔷 AAAA Records (IPv6)1 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:807a:2d96:4770:8572	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 51ms

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

📝 TXT Records2 records 133ms

TXT Record
MS=ms22188624
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (sintec.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083002
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-07-02 22:01:14

Field	Value
Registrar	ONE.COM A/S
Registered	2021-05-06
Expires	2027-05-31 (271d)

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

24ms

MX

31ms

AAAA

27ms

TXT

133ms

CAA

23ms

HTTPS

28ms

TLSA

359ms

SOA

0ms

MTA-STS

45ms

DNSSEC

102ms

SRV

51ms

Total

863ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 10:19:48	863ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 21:53:11	2750ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:58:11	9925ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:26:46	927ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 17:15:25	688ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:08:19	1560ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 12:11:41	3022ms	2 NS 1 A 1 MX	🔒 Secure	View