muru.dk

📜 Historical scan 2026-08-28 02:06:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

muru.dk is a .dk domain served by 2 nameservers (ns01.danskinternet.dk, ns02.danskinternet.dk). It was registered on 11 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.13.122 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by muru-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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.danskinternet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns02.danskinternet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.116.13.122	300s	s6.stom.dk	AS31027	GlobalConnect A/S	87.116.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	muru-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::7 2a01:111:f403:ca04::8 2a01:111:f403:ca09::c 52.101.103.143 52.101.68.12 52.101.73.123 52.101.73.155	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-am7pr02cu00203.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:87.116.13.122 include:spf.stom.dk include:spfcloud.letsignit.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (muru.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:87.116.13.122 include:spf.stom.dk include:spfcloud.letsignit.com include:sendgrid.net -all

📨 DMARC#

Policy	Record (_dmarc.muru.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-08 05:18:20

www CNAME	muru.dk (all on muru.dk) → 87.116.13.122 (AS31027)
www vs bare domain	Same network muru.dk: 87.116.13.122 (AS31027) www.muru.dk: 87.116.13.122 (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#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u38085443.wl194.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u38085443.wl194.sendgrid.net	RSA · ~2048 bit
selector1	selector1-muru-dk._domainkey.cphplastikkirurgi.onmicrosoft.com	RSA · ~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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

85ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2025013001
Primary NS (MNAME)	ns01.danskinternet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-08 11:26:08

Field	Value
Registrar	CURANET A/S
Registered	2023-06-11
Expires	2027-06-10 (235d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

45ms

40ms

AAAA

52ms

TXT

150ms

CAA

48ms

HTTPS

50ms

TLSA

186ms

SOA

0ms

MTA-STS

65ms

DNSSEC

85ms

SRV

63ms

Total

767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:18:20	1253ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 00:28:13	819ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-03 18:16:21	2174ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 02:06:29 shown	767ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 21:29:02	27839ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:00:44	875ms	2 NS 1 A 1 MX	🔒 Secure