alff.dk

📜 Historical scan 2026-08-04 14:18:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alff.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.148 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by alff-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 37ms

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 2027ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.148	3598s	webcluster1.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 2032ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	alff-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::9 2a01:111:f403:ca09::20 2a01:111:f403:ca09::b 52.101.68.0 52.101.68.27 52.101.68.39 52.101.73.22	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔷 AAAA Records (IPv6)#

1 records 2032ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:a4:7adc:d5d3:8bca	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 4031ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 2160ms

TXT Record
google-site-verification=zLyuc92r4xqieRTjaqT260juq73Kqm9bHLjUYr0ZcIE
MS=ms43768617
v=spf1 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk -all

✉️ SPF#

Policy	Record (alff.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spfinclude.sikkermail.dk -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 2026-10-18 23:46:10

www	46.30.215.148 2a02:2350:5:106:a4:7adc:d5d3:8bca (AS51468) (address records, no CNAME)
www vs bare domain	Same network alff.dk: 46.30.215.148 2a02:2350:5:106:a4:7adc:d5d3:8bca (AS51468) www.alff.dk: 46.30.215.148 2a02:2350:5:106:a4:7adc:d5d3:8bca (AS51468)
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#

57ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080101
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 2026-10-03 03:49:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-10-04
Expires	2026-10-31 (12d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

2027ms

2032ms

AAAA

2032ms

TXT

2160ms

CAA

2023ms

HTTPS

29ms

TLSA

506ms

SOA

0ms

MTA-STS

2043ms

DNSSEC

57ms

SRV

4031ms

Total

5403ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 23:46:10	1371ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 03:32:32	1160ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 02:13:30	872ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 20:02:49	1241ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 11:32:57	1503ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:31:46	5882ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 14:18:16 shown	5403ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-28 01:07:12	2062ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 17:21:02	2732ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 07:13:17	2599ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 05:30:16	1428ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:39:26	727ms	2 NS 1 A 1 MX	🔒 Secure