simu.dk

📜 Historical scan 2026-06-18 04:51:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simu.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.179.95.231 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by simu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
5.179.95.231	—	—	AS31027	GlobalConnect A/S	5.179.80.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	simu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca04::c 52.101.68.0 52.101.68.3 52.101.73.15 52.101.73.24	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am9pr04cu00107.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 Records#

1 records 187ms

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

📝 TXT Records#

10 records 293ms

TXT Record
_globalsign-domain-verification=7NWtzQnyQkEB_jifPKN3bGwh-zaKXFCThJuMiO9l4D
_sip._tls.simu.dk. 1800 IN SRV 8 100 443 sip.simu.dk.
_sipfederationtls._tcp.edu.simu.dk. 1800 IN SRV 8 100 5061 sipfed.online.lync.com.
_sipfederationtls._tcp.simu.dk. 1800 IN SRV 8 100 5061 sip.simu.dk.?
adobe-idp-site-verification=f238be14d768 bdf5289b439e5b74821b7ce9f0ae02747cad9a55 3558cfa741fa
adobe-idp-site-verification=f238be14d768bdf5289b439e5b74821b7ce9f0ae02747cad9a553558cfa741fa
DZC puD9whT
MS=ms79716490
v=spf1 mx include:servers.mcsv.net ip4:20.54.238.131 include:spf.protection.outlook.com a:email.ibc.dk ~all
xLsEb4Db8AZKKw7vTMxdTjiTLK5kykqRJxJgOSVLPRt+vibgCuOr2xqO/1I1X4nTgm3rdizh4RaBE5OhY1REVg==

✉️ SPF#

Policy	Record (simu.dk)
~all (soft fail)	v=spf1 mx include:servers.mcsv.net ip4:20.54.238.131 include:spf.protection.outlook.com a:email.ibc.dk ~all

📨 DMARC#

Policy	Record (_dmarc.simu.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarc@ibc.dk; ruf=mailto:dmarc@ibc.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 04:11:17

www	5.179.95.231 (AS31027) (address records, no CNAME)
www vs bare domain	Same network simu.dk: 5.179.95.231 (AS31027) www.simu.dk: 5.179.95.231 (AS31027)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-simu-dk._domainkey.ibco365.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

78ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2026031302
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

62ms

61ms

AAAA

40ms

TXT

293ms

CAA

37ms

HTTPS

79ms

TLSA

158ms

SOA

41ms

MTA-STS

81ms

DNSSEC

78ms

SRV

187ms

Total

922ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:42:06	1115ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:54:23	2687ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 02:45:23	1164ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:51:44 shown	922ms	2 NS 1 A 1 MX	🔒 Secure