jonasjersborg.dk DNS records

🖥️ Nameservers4 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.98	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records2 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 73ms

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

✉️ SPF

Policy	Record (jonasjersborg.dk)
-all (hard fail)	v=spf1 include:spf.simply.com 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 Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC91ms

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

🏷️ SOA0ms

Field	Value
Serial	2026051001
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

26ms

A

27ms

MX

25ms

AAAA

29ms

TXT

73ms

CAA

21ms

HTTPS

25ms

TLSA

51ms

SOA

0ms

MTA-STS

38ms

DNSSEC

91ms

SRV

34ms

Total

586ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 18:15:19	586ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-31 13:32:10	393ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-28 14:11:06	164ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-27 13:33:53	191ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-26 13:09:44	202ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-25 05:45:56	172ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-24 05:17:38	778ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 17:31:06	1306ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 17:21:10	1049ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 17:18:08	4651ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 12:45:20	4296ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 12:41:35	2164ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-17 05:18:53	839ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 14:16:22	842ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 06:46:14	751ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-12 10:16:54	651ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 08:34:09	738ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 21:58:25	8673ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 20:15:43	700ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-04 01:23:16	2714ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-27 05:20:13	2094ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 12:18:49	773ms	4 NS 1 A 2 MX	🔒 Secure	View