presinst.dk

📜 Historical scan 2026-06-17 12:19:01 · ← 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 not DNSSEC-signed, 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 53ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
13.248.148.104	—	a1234d40bd56b6907.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	13.248.0.0/14	🇺🇸 United States	—
52.72.49.79	—	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	—	a1234d40bd56b6907.awsglobalaccelerator.com	AS16509	Amazon.com, Inc.	76.223.0.0/17	🇺🇸 United States	—

📧 MX Records#

1 records 56ms

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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 215ms

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#

135ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

44ms

Field	Value
Serial	2026060101
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#

53ms

48ms

56ms

AAAA

46ms

TXT

215ms

CAA

54ms

HTTPS

42ms

TLSA

921ms

SOA

44ms

MTA-STS

106ms

DNSSEC

135ms

SRV

0ms

Total

1780ms

🕐 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	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 shown	1780ms	2 NS 3 A 1 MX	🔓 Insecure