singtehus.dk

Records from scan: 2026-10-10 23:20:23 · 892ms total · last checked 2026-10-20 13:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

singtehus.dk is a .dk domain served by 2 nameservers (poppy.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 13 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.238 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 40ms

Nameserver	IP addresses	PTR	ASN / ISP
poppy.ns.cloudflare.com	108.162.194.33 162.159.38.33 172.64.34.33 2606:4700:50::a29f:2621 2803:f800:50::6ca2:c221 2a06:98c1:50::ac40:2221	poppy.ns.cloudflare.com poppy.ns.cloudflare.com poppy.ns.cloudflare.com poppy.ns.cloudflare.com poppy.ns.cloudflare.com poppy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sri.ns.cloudflare.com	108.162.193.234 172.64.33.234 173.245.59.234 2606:4700:58::adf5:3bea 2803:f800:50::6ca2:c1ea 2a06:98c1:50::ac40:21ea	sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.ns.cloudflare.com sri.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.154	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c06::1a 2a00:1450:4010:c06::1a 74.125.131.26	lj-in-x1a.1e100.net lj-in-f26.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1aee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a89a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.238,172.67.168.154 ech=AEX+DQBBBQAgACARlf/16mqF0fEj+29zvnsA9lmak431rBaHqOmKvWW0aAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1aee,2606:4700:3033::ac43:a89a

📝 TXT Records#

6 records 156ms

TXT Record
facebook-domain-verification=fy2nhavqvukjv38mfywriyi936fs1n
google-site-verification=fBbebha3f32iKU_I6BqNrjw7N2369eK9uaVwgmRM3BU
o64aro8vihh68gfdl45b7b9ikd
Sendinblue-code:7164042f0beb8266e1f75dba3902199e
Sendinblue-code:94b6370c7a3f814a51a260afa25ad236
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (singtehus.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.singtehus.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-10 23:20:23

www	104.21.26.238 172.67.168.154 2606:4700:3033::6815:1aee 2606:4700:3033::ac43:a89a (AS13335) (address records, no CNAME)
www vs bare domain	Same network singtehus.dk: 104.21.26.238 172.67.168.154 2606:4700:3033::6815:1aee 2606:4700:3033::ac43:a89a (AS13335) www.singtehus.dk: 104.21.26.238 172.67.168.154 2606:4700:3033::6815:1aee 2606:4700:3033::ac43:a89a (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
mail	—	RSA · ~1024 bit below 2048 bit
s1	s1.domainkey.u27164686.wl187.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u27164686.wl187.sendgrid.net	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

116ms

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

🏷️ SOA#

36ms

Field	Value
Serial	2417112869
Primary NS (MNAME)	poppy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 23:57:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-10-13
Expires	2027-10-31 (374d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

36ms

31ms

AAAA

36ms

TXT

156ms

CAA

37ms

HTTPS

49ms

TLSA

129ms

SOA

36ms

MTA-STS

50ms

DNSSEC

116ms

SRV

67ms

Total

892ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 23:20:23 shown	892ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-29 16:14:49	2308ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-28 16:01:57	872ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-25 15:26:58	816ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-18 15:51:59	1731ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-03 17:49:09	2418ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-24 01:12:29	2038ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-02 14:45:14	9245ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-08 23:20:49	9413ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-05 23:53:49	1955ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-02 14:52:20	3069ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-27 10:59:27	2915ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-23 08:58:08	4839ms	2 NS 2 A 5 MX	🔒 Secure
2026-06-20 22:58:15	1115ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:16:02	1500ms	2 NS 2 A 5 MX	🔒 Secure