derp.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.vercel-dns.com	198.51.44.13 2620:4d:4000:6259:7:13:0:1	dns1.p13.nsone.net dns1.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
ns2.vercel-dns.com	198.51.45.13 2a00:edc0:6259:7:13::2	dns2.p13.nsone.net dns2.p13.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records2 records 63ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
66.33.60.194	1800s	—	AS16509	Amazon.com, Inc.	66.33.60.0/24	🇺🇸 United States	—
66.33.60.34	1800s	—	AS16509	Amazon.com, Inc.	66.33.60.0/24	🇺🇸 United States	—

📧 MX Records2 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	60s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	66.33.60.67
🔶 Autoconfig	76.76.21.123

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 397ms

TXT Record
v=spf1 include:spf.improvmx.com ~all

✉️ SPF

Policy	Record (derp.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.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 Records3 records 77ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	pki.goog
0	issue	sectigo.com

🔗 TLSA / DANE

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

🔐 DNSSEC116ms

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

🏷️ SOA0ms

Field	Value
Serial	1683468525
Primary NS (MNAME)	ns1.vercel-dns.com
Responsible (RNAME)	hostmaster@nsone.net
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

63ms

MX

62ms

AAAA

75ms

TXT

397ms

CAA

77ms

HTTPS

62ms

TLSA

251ms

SOA

0ms

MTA-STS

99ms

DNSSEC

116ms

SRV

138ms

Total

1381ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 18:35:05	1381ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-02 11:21:12	2839ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-20 04:08:15	930ms	2 NS 2 A 2 MX	⚠️ Bogus	View
2026-06-17 02:10:29	779ms	2 NS 2 A 2 MX	🔓 Insecure	View