ifu.dk DNS records

🖥️ Nameservers4 records 361ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ascio.com	212.123.32.97 2604:4000:8000:d:212:123:32:97	ns1.ascio.com ns1.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns2.ascio.com	212.123.35.97 2604:4000:8000:d:212:123:35:97	ns2.ascio.com ns2.ascio.com	AS12915 EPAG Domainservices GmbH AS12915 EPAG Domainservices GmbH
ns3.ascio.com	2604:4000:2800:2000:64:98:148:145 64.98.148.145	ns3.ascio.com dns2.epag.net	AS32491 Tucows.com Co. AS32491 Tucows.com Co.
ns4.ascio.com	216.40.47.209 2604:4000:0:d:216:40:47:209	ns4.ascio.com ns4.ascio.com	AS15348 Tucows.com Co. AS15348 Tucows.com Co.

🌍 A Records1 records 143ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.208.37.87	600s	188.208.37.87.static.hosted.by.combell-ops.net	AS34762	Combell NV	188.208.36.0/23	🇧🇪 Belgium	—

📧 MX Records1 records 78ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ifudk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.68.0 52.101.73.15 52.101.73.19 52.101.73.4	mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 348ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	100	5061	sipfed.online.lync.com

📝 TXT Records3 records 378ms

TXT Record
_globalsign-domain-verification=Jo3wJCTItFyU4Qvuf0EYn1iVPixmuAbSh3KMj0wEkN
apple-domain-verification=ctA0jZyuANnbfsAt
v=spf1 include:u2134740.wl241.sendgrid.net ip4:188.120.91.18 ip4:138.2.137.21 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ifu.dk)
-all (hard fail)	v=spf1 include:u2134740.wl241.sendgrid.net ip4:188.120.91.18 ip4:138.2.137.21 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.ifu.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:prfae5mo@ag.dmarcian-eu.com,mailto:mail.authentication@ifu.dk; ruf=mailto:mail.authentication@ifu.dk,mailto:prfae5mo@fr.dmarcian-eu.com; fo=1;

📬 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)

🔐 DNSSEC87ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA43ms

Field	Value
Serial	1781182449
Primary NS (MNAME)	ns1.ascio.com
Responsible (RNAME)	hostmaster@anadoma.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

361ms

A

143ms

MX

78ms

AAAA

191ms

TXT

378ms

CAA

76ms

HTTPS

69ms

TLSA

198ms

SOA

43ms

MTA-STS

171ms

DNSSEC

87ms

SRV

348ms

Total

1156ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-23 18:05:08	1156ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 06:20:18	1698ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:14:31	2402ms	4 NS 1 A 1 MX	🔓 Insecure	View