rubin-stuk.dk DNS records

🖥️ Nameservers5 records 73ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.powerhosting.dk	185.31.77.111 2a00:b920:3:1337:0:1:0:111	ns1.powerhosting.dk ns1.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns2.powerhosting.dk	2001:1af8:4700:a127:11::53 81.171.12.79	ns2.powerhosting.dk ns2.powerhosting.dk	AS60781 LeaseWeb Netherlands B.V. AS60781 LeaseWeb Netherlands B.V.
ns3.powerhosting.dk	2a00:b920:200::53 45.95.208.53	ns3.powerhosting.dk ns3.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns4.powerhosting.dk	2a00:b920:200::153 45.95.208.153	ns4.powerhosting.dk ns4.powerhosting.dk	AS47527 DLX A/S AS47527 DLX A/S
ns5.powerhosting.dk	2a01:4f8:c0c:12d2::2 88.99.227.45	ns5.powerhosting.dk ns5.powerhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.76.91	86400s	—	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rubinstuk-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca09::a 52.101.68.12 52.101.68.29 52.101.73.24 52.101.73.28	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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	185.31.76.91

🔷 AAAA Records (IPv6)1 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:b920:2:1337::91	86400s	—	AS47527	DLX A/S	2a00:b920:0:0:0:0:0:0/29	🇩🇰 Denmark	Herning

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 117ms

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

📝 TXT Records4 records 294ms

TXT Record
google-site-verification=4HHFsebpM_229O5bnjxEd2Sr0CxDajX1EDNU_fzjl3s
MS=ms60978012
oj6q8f780ji7b45tfojk5hiqto
v=spf1 include:_spf.powerhosting.dk v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com mx -all

✉️ SPF

Policy	Record (rubin-stuk.dk)
-all (hard fail)	v=spf1 include:_spf.powerhosting.dk v=spf1 include:servers.mcsv.net include:spf.protection.outlook.com mx -all

📨 DMARC

Policy	Record (_dmarc.rubin-stuk.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@powerhosting.dk; ruf=mailto:dmarc@powerhosting.dk; adkim=r; aspf=r

📬 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)

🔐 DNSSEC113ms

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	2026082701
Primary NS (MNAME)	ns1.powerhosting.dk
Responsible (RNAME)	zonemaster@powerhosting.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

73ms

A

58ms

MX

61ms

AAAA

45ms

TXT

294ms

CAA

78ms

HTTPS

84ms

TLSA

415ms

SOA

0ms

MTA-STS

57ms

DNSSEC

113ms

SRV

117ms

Total

1302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:37:32	1302ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 07:11:39	2205ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-13 11:44:28	5376ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 18:41:26	1906ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 04:36:09	1844ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-23 11:54:46	1797ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 23:18:13	1677ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-09 04:19:29	1878ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 15:30:29	6791ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-29 11:46:15	1613ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 23:38:58	652ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 01:02:12	2089ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:30:21	4487ms	5 NS 1 A 1 MX	🔓 Insecure	View