core-team.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 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.17	21582s	ispc7.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	coreteam-dk01b.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 52.101.103.137 52.101.68.16 52.101.73.153 52.101.73.24	mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 83ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 189ms

TXT Record
MS=ms92321567
v=spf1 ip4:193.150.84.202 include:servers.mcsv.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (core-team.dk)
-all (hard fail)	v=spf1 ip4:193.150.84.202 include:servers.mcsv.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.core-team.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:c1c87db16260478@rep.dmarcanalyzer.com;

📬 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)

🔐 DNSSEC93ms

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

🏷️ SOA48ms

Field	Value
Serial	2026080901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

46ms

MX

43ms

AAAA

48ms

TXT

189ms

CAA

49ms

HTTPS

70ms

TLSA

903ms

SOA

48ms

MTA-STS

57ms

DNSSEC

93ms

SRV

83ms

Total

6042ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 05:05:37	6042ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 15:16:08	1587ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 01:16:31	3777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 23:36:06	710ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:25:53	543ms	2 NS 1 A 1 MX	🔒 Secure	View