puf.dk

Records from scan: 2026-10-06 19:36:55 · 1850ms total · last checked 2026-10-20 08:54 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

puf.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.121.27.182 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by puf-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 82ms

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 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.121.27.182	3600s	ec2-3-121-27-182.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 132ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	puf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::a 2a01:111:f403:ca38::8 2a01:111:f403:ca48::10 52.101.103.162 52.101.209.153 52.101.68.29 52.101.68.39	mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 173ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 272ms

TXT Record
MS=ms19291251
v=spf1 include:spf.protection.outlook.com include:spf.ubivox.com ip4:40.118.57.128 ~all

✉️ SPF#

Policy	Record (puf.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:spf.ubivox.com ip4:40.118.57.128 ~all

📨 DMARC#

Policy	Record (_dmarc.puf.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 2026-10-09 23:14:11

www	3.121.27.182 (AS16509) (address records, no CNAME)
www vs bare domain	Same network puf.dk: 3.121.27.182 (AS16509) www.puf.dk: 3.121.27.182 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

238ms

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

🏷️ SOA#

55ms

Field	Value
Serial	2026100501
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 2026-10-01 16:14:56

Field	Value
Registrar	ONE.COM A/S
Registered	1998-11-25
Expires	2026-12-31 (71d)

📋 WHOIS#

⏱️ Lookup Timing#

82ms

92ms

132ms

AAAA

95ms

TXT

272ms

CAA

107ms

HTTPS

102ms

TLSA

830ms

SOA

55ms

MTA-STS

150ms

DNSSEC

238ms

SRV

173ms

Total

1850ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 19:36:55 shown	1850ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 15:53:50	2296ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 15:39:08	1096ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 14:06:01	1214ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:23:00	770ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:57:43	742ms	2 NS 1 A 1 MX	🔒 Secure