subroutine.dk

Records from scan: 2026-09-30 16:06:35 · 607ms total · last checked 2026-10-18 07:37 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

subroutine.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, nile.ns.cloudflare.com). It was registered on 15 July 2026 (WHOIS) and first appeared in the .dk zone on 16 July 2026. Its website address 84.200.81.45 is hosted by Ultahost, Inc. (AS214036) in Germany. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
kate.ns.cloudflare.com	108.162.192.124 172.64.32.124 173.245.58.124 2606:4700:50::adf5:3a7c 2803:f800:50::6ca2:c07c 2a06:98c1:50::ac40:207c	kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com kate.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nile.ns.cloudflare.com	108.162.193.214 172.64.33.214 173.245.59.214 2606:4700:58::adf5:3bd6 2803:f800:50::6ca2:c1d6 2a06:98c1:50::ac40:21d6	nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com nile.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
84.200.81.45	60s	—	AS214036	Ultahost, Inc.	84.200.80.0/23	🇩🇪 Germany	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 195ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (subroutine.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.subroutine.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s

📬 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#

checked 2026-10-08 17:14:19

www	NXDOMAIN
www vs bare domain	www does not resolve subroutine.dk: 84.200.81.45 (AS214036) www.subroutine.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2414928510
Primary NS (MNAME)	kate.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:36:33

Field	Value
Registrar	NETIM
Registered	2026-07-15
Expires	2027-07-14 (269d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

37ms

AAAA

32ms

TXT

195ms

CAA

47ms

HTTPS

36ms

TLSA

199ms

SOA

44ms

MTA-STS

56ms

DNSSEC

73ms

SRV

61ms

Total

607ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 16:06:35 shown	607ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 01:30:27	690ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-15 13:01:11	1701ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 11:54:51	686ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-20 02:00:28	1371ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-16 08:43:29	10448ms	2 NS 2 A 2 MX	🔓 Insecure