bysimpson.dk

📜 Historical scan 2026-09-19 22:42:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bysimpson.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, oswald.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.70 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
dana.ns.cloudflare.com	108.162.192.105 172.64.32.105 173.245.58.105 2606:4700:50::adf5:3a69 2803:f800:50::6ca2:c069 2a06:98c1:50::ac40:2069	dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com dana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.70	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.175.64	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:af40	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1f46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.70,172.67.175.64 ech=AEX+DQBB1wAgACCDOwPOe2WCJqI7ij5e0oHvpg88vAr/sRFJqInl+tDDOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:af40,2606:4700:3037::6815:1f46

📝 TXT Records#

3 records 186ms

TXT Record
google-site-verification=i44_DvD41W_2FZOtEnmeKaXDta-zh9EMJWQeP5PmJYo
google-site-verification=ljbefxZ_mfE4Y4-ts0PgxpiOE1ML1vIVe2RVMZofiWQ
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (bysimpson.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.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 2026-10-12 13:35:12

www	104.21.31.70 172.67.175.64 2606:4700:3031::ac43:af40 2606:4700:3037::6815:1f46 (AS13335) (address records, no CNAME)
www vs bare domain	Same network bysimpson.dk: 104.21.31.70 172.67.175.64 2606:4700:3031::ac43:af40 2606:4700:3037::6815:1f46 (AS13335) www.bysimpson.dk: 104.21.31.70 172.67.175.64 2606:4700:3031::ac43:af40 2606:4700:3037::6815:1f46 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.bysimpson.dk	TxWY5Q7zLFRPZSFXjnTb5xSnmYMJIWmqUzFi6xylICM
TXT	_acme-challenge.bysimpson.dk	_tc-bkJnihJ5zf2GnDvoY1FjWVFskQTfmh4sIVfxiSo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

88ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415234942
Primary NS (MNAME)	dana.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

39ms

50ms

AAAA

50ms

TXT

186ms

CAA

41ms

HTTPS

46ms

TLSA

363ms

SOA

0ms

MTA-STS

71ms

DNSSEC

88ms

SRV

67ms

Total

1490ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 04:15:58	3251ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 04:00:03	1253ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-19 22:42:53 shown	1490ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-14 05:55:10	1993ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-07 03:40:55	1307ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-02 20:41:58	6023ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 11:11:47	708ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-15 18:58:46	2062ms	2 NS 2 A 2 MX	❓ Unknown
2026-06-16 18:25:34	2832ms	2 NS 2 A 2 MX	🔓 Insecure