alfredsen.dk

📜 Historical scan 2026-06-20 04:43:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

alfredsen.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 16 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.16 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ispc6.dotserv.com. The zone is not DNSSEC-signed, 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#

4 records 89ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dotserv.com	178.20.218.61 2a01:7cc0:101:ffff::51	ns1.dotserv.com ns1.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns1.dotserv.net	178.20.217.29 2a01:7cc0:101:ffff::52	ns1.dotserv.net ns2.dotserv.com	AS21060 Atea A/S AS21060 Atea A/S
ns2.dotserv.com	193.180.214.21	—	AS44803 Webdock.io ApS
ns2.dotserv.net	162.19.249.51 2001:41d0:701:1100::c89e	ns2.dotserv.net ns2.dotserv.net	AS16276 OVH SAS AS16276 OVH SAS

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.16	3600s	ispc6.dotserv.com	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	900s	ispc6.dotserv.com	178.20.216.16	ispc6.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.alfredsen.dk → 178.20.216.16
🔶 Autoconfig	178.20.216.16

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 233ms

TXT Record
v=spf1 include:_spf.dotserv.com -all

✉️ SPF#

Policy	Record (alfredsen.dk)
-all (hard fail)	v=spf1 include:_spf.dotserv.com -all

📨 DMARC#

Policy	Record (_dmarc.alfredsen.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#

2 records 39ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 01:26:57

www	178.20.216.16 178.20.217.4 (AS21060) (address records, no CNAME)
www vs bare domain	Same network alfredsen.dk: 178.20.216.16 178.20.217.4 (AS21060) www.alfredsen.dk: 178.20.216.16 178.20.217.4 (AS21060)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

50ms

Field	Value
Serial	1287488012
Primary NS (MNAME)	ns1.dotserv.com
Responsible (RNAME)	hostmaster@dotserv.com
Refresh	14400s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	900s

📋 Registration#

WHOIS fetched 2026-10-10 01:39:08

Field	Value
Registrar	FIONIA IT ApS
Registered	2004-02-16
Expires	2027-02-28 (134d)

📋 WHOIS#

⏱️ Lookup Timing#

89ms

64ms

47ms

AAAA

71ms

TXT

233ms

CAA

39ms

HTTPS

53ms

TLSA

55ms

SOA

50ms

MTA-STS

80ms

DNSSEC

76ms

SRV

113ms

Total

546ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 01:26:57	1847ms	4 NS 2 A 1 MX	🔓 Insecure
2026-07-02 12:28:36	1848ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 17:34:53	1351ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 04:43:07 shown	546ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-20 01:27:34	556ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 12:46:15	700ms	4 NS 1 A 1 MX	🔓 Insecure