presinst.dk

📜 Historical scan 2026-10-01 07:46:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

presinst.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.248.148.104 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by presinst-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 2032ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

3 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.248.148.104	3600s	a1234d40bd56b6907.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	13.248.0.0/14	🇺🇸 United States	—
52.72.49.79	3600s	ec2-52-72-49-79.compute-1.amazonaws.com	AS14618	Amazon.com, Inc.	52.72.0.0/15	🇺🇸 United States	Ashburn
76.223.20.46	3600s	a1234d40bd56b6907.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	76.223.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	presinst-dk.mail.protection.outlook.com	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 2414ms

TXT Record
MS=ms78503728
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (presinst.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 09:19:22

www	52.72.49.79 (AS14618) (address records, no CNAME)
www vs bare domain	Same network presinst.dk: 13.248.148.104 52.72.49.79 76.223.20.46 (AS14618 AS16509) www.presinst.dk: 52.72.49.79 (AS14618)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2026092301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

2032ms

34ms

31ms

AAAA

39ms

TXT

2414ms

CAA

36ms

HTTPS

35ms

TLSA

165ms

SOA

53ms

MTA-STS

236ms

DNSSEC

62ms

SRV

214ms

Total

2860ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:19:22	1017ms	2 NS 3 A 1 MX	🔒 Secure
2026-10-01 07:46:39 shown	2860ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-24 02:05:10	4503ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-23 23:40:07	841ms	2 NS 3 A 1 MX	🔒 Secure
2026-09-17 22:59:56	1075ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-10 21:54:03	10188ms	2 NS 3 A 1 MX	🔓 Insecure
2026-09-08 06:07:19	682ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-27 04:40:07	9876ms	2 NS 3 A 1 MX	🔓 Insecure
2026-08-15 11:52:48	3342ms	2 NS 3 A 1 MX	🔓 Insecure
2026-06-17 12:19:01	1780ms	2 NS 3 A 1 MX	🔓 Insecure