sapu.dk

📜 Historical scan 2026-10-01 18:42:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sapu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 November 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.137.11 is hosted by Akamai Connected Cloud (AS63949) in Germany. 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 has no IPv6 address. 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.104.137.11	3600s	li1653-11.members.linode.com	AS63949	Akamai Connected Cloud	172.104.128.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 74.125.131.27	lm-in-x1a.1e100.net lm-in-f26.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.134.28.101
🔶 Autoconfig	185.134.28.101

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

5 records 192ms

TXT Record
google-site-verification=25CkXdCdQp2xd3oiGvWwCBIkMyiW3UPMOH0K7f3goJU
google-site-verification=iAQorsi7sBucBJSdCIWDjKPrNx7vh3CDKdUbsfhgbrQ
MS=8034B2A89BBEDB258C159CABC870CC9DF16DC61A
stripe-verification=87bdca91926e4b96e8f7ae85921561c5d784d1304da753def3e4d913b3589aac
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.sapu.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:postmaster@sapu.dk

📬 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 2026-10-09 14:41:36

www	172.104.137.11 (AS63949) (address records, no CNAME)
www vs bare domain	Same network sapu.dk: 172.104.137.11 (AS63949) www.sapu.dk: 172.104.137.11 (AS63949)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
s1	s1.domainkey.u8497448.wl199.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u8497448.wl199.sendgrid.net	RSA · ~1024 bit below 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#

128ms

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

🏷️ SOA#

57ms

Field	Value
Serial	2026100101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-02 19:14:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-11-14
Expires	2026-11-30 (38d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

43ms

29ms

AAAA

50ms

TXT

192ms

CAA

44ms

HTTPS

53ms

TLSA

93ms

SOA

57ms

MTA-STS

70ms

DNSSEC

128ms

SRV

73ms

Total

962ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 14:41:36	445ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-07 20:13:27	905ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-02 18:43:58	713ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 18:42:59 shown	962ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-23 16:19:28	815ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-26 23:04:46	1120ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-25 18:00:03	5113ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 21:11:33	5189ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-27 09:19:41	1590ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-17 15:23:36	649ms	2 NS 1 A 5 MX	🔒 Secure