demstrup.dk

Records from scan: 2026-10-09 12:10:32 · 1457ms total · last checked 2026-10-17 04:53 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

demstrup.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.98 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by demstrup-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.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
ns2.curanet.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
185.21.41.98	3600s	linux26.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	demstrup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca21::a 2a01:111:f403:ca48::a 52.101.103.36 52.101.181.153 52.101.68.15 52.101.68.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.154.152
🔶 Autoconfig	185.21.41.98

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 168ms

TXT Record
_globalsign-domain-verification=4KCavca7AIjSM6dq2DbA5QOwVe07D7EMeZ7xxVuAGw
v=spf1 include:spf.protection.outlook.com include:_spf.cloud.netip.dk ip4:217.198.213.10 include:spf.eu.signature365.net -all

✉️ SPF#

Policy	Record (demstrup.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.cloud.netip.dk ip4:217.198.213.10 include:spf.eu.signature365.net -all

📨 DMARC#

Policy	Record (_dmarc.demstrup.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:dmarc_agg@vali.email;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

🧩 Web & zone#

checked 2026-10-09 12:10:32

www	185.21.41.98 (AS48854) (address records, no CNAME)
www vs bare domain	Same network demstrup.dk: 185.21.41.98 (AS48854) www.demstrup.dk: 185.21.41.98 (AS48854)
Wildcard	Yes: any name under the zone resolves
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-demstrup-dk._domainkey.demstrupautotransportas.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#

178ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2026090702
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.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#

29ms

45ms

24ms

AAAA

45ms

TXT

168ms

CAA

34ms

HTTPS

40ms

TLSA

618ms

SOA

23ms

MTA-STS

72ms

DNSSEC

178ms

SRV

63ms

Total

1457ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:10:32 shown	1457ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-13 00:55:58	903ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 20:44:00	1020ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:24:54	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:45:50	687ms	2 NS 1 A 1 MX	🔒 Secure