isi.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.onwelcom.dk	185.51.79.241	ns1.onwelcom.dk	AS205984 Powernet Aps
ns2.onwelcom.dk	185.51.79.251	—	AS205984 Powernet Aps

🌍 A Records1 records 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.40.46.44	86400s	co3web06.wehost.dk	AS62319	Itm8 A/S	185.40.44.0/22	🇩🇰 Denmark	Viby J

📧 MX Records1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	isi-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca09::6 2a01:111:f403:ca09::e 52.101.68.0 52.101.68.3 52.101.73.15 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40
🔶 Autoconfig	185.40.46.44

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 81ms

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

📝 TXT Records8 records 215ms

TXT Record
23he6vm9hhomi7f8dc12a9lip
adobe-idp-site-verification=50988dd800e98a0723f8b58dc8513c32db18e4e563eaa33b3c2b97aa02a6b2b2
apple-domain-verification=HL07lQy0cBSCs9jl
facebook-domain-verification=xemt61l5rm8rt2dj0sc7p20ossoduc
MS=ms18498992
P-4H5c5iLQZC
v=spf1 include:spf.protection.outlook.com include:_spf.wehost.dk -all
vcvft2hqb4chn13j7078slfk2q

✉️ SPF

Policy	Record (isi.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.wehost.dk -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)

🔐 DNSSEC89ms

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	2022081124
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@isi.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

50ms

MX

61ms

AAAA

39ms

TXT

215ms

CAA

52ms

HTTPS

61ms

TLSA

502ms

SOA

0ms

MTA-STS

82ms

DNSSEC

89ms

SRV

81ms

Total

1189ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:55:57	1189ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-03 15:24:24	9001ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 11:04:18	2719ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 20:12:43	811ms	2 NS 1 A 1 MX	🔓 Insecure	View