serc.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.risoe.dk	130.226.56.67	—	AS1835 IDDQD-AS
ns2.risoe.dk	130.226.56.68	—	AS1835 IDDQD-AS

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.38.84.65	86400s	redirector.ait.dtu.dk	AS1835	IDDQD-AS	192.38.0.0/17	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	86400s	windscanner-eu.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 2a01:111:f403:ca48::c 52.101.103.140 52.101.68.32 52.101.73.22 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00106.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	autodiscoverredirect.dtu.dk → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 294ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.win.dtu.dk

📝 TXT Records6 records 447ms

TXT Record
DigiCert dnsadmin@dtu.dk
fP/Qoeq4gDRch8HNARZjO9IiD02iOX/1vvLPEG5lS7Tpo95+VtNamU4lfmhMoIQ3pKQ06BrrTIVFheZEQRIndQ==
HARICA-Kb8U1EHJbAUpkmBHA9j
HARICA-os52FSpLHOoymC2PaUv
MS=ms66412024
v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.dk -all

✉️ SPF

Policy	Record (serc.dk)
-all (hard fail)	v=spf1 include:dtu.dk include:spf.dtu.dk include:spf.peoplexs.com include:spf.protection.outlook.com ip4:94.231.107.25 ip4:94.231.107.21 ip4:93.90.115.122 ip4:193.162.253.0/24 include:spf.mx.fab-it.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)

🔐 DNSSEC97ms

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	2026031301
Primary NS (MNAME)	ns1.risoe.dk
Responsible (RNAME)	research-it\@dtu@dk
Refresh	86400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

44ms

MX

46ms

AAAA

41ms

TXT

447ms

CAA

53ms

HTTPS

41ms

TLSA

593ms

SOA

0ms

MTA-STS

121ms

DNSSEC

97ms

SRV

294ms

Total

1549ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:10:11	1549ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 11:54:10	3147ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 17:17:20	1270ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 07:28:42	6521ms	2 NS 1 A 1 MX	🔓 Insecure	View