ofer.dk

📜 Historical scan 2026-06-22 15:37:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ofer.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no 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#

3 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

7 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	2a00:1450:4009:c19::1a 64.233.162.26	yulhrp-in-f26.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt1.aspmx.l.google.com	142.250.102.26 2404:6800:4000:1025::1b	rb-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	3600s	alt2.aspmx.l.google.com	172.253.158.26 2a00:1450:4013:c1e::1a	so-in-f26.1e100.net yugrqzs-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx2.googlemail.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx3.googlemail.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
30	3600s	aspmx4.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	3600s	aspmx5.googlemail.com	173.194.43.26 2404:6800:400b:c01b::1a	yudlsqd-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 152ms

TXT Record
v=spf1 include:sendgrid.net ~all

✉️ SPF#

Policy	Record (ofer.dk)
~all (soft fail)	v=spf1 include:sendgrid.net ~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 2026-10-12 14:06:56

www CNAME	ofer.dk (all on ofer.dk)
www vs bare domain	Neither resolves ofer.dk: no address www.ofer.dk: no address
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

82ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

42ms

Field	Value
Serial	2022120911
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 04:02:01

Field	Value
Registrar	Simply.com A/S
Registered	1999-10-04
Expires	2031-12-31 (1894d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

41ms

46ms

AAAA

31ms

TXT

152ms

CAA

48ms

HTTPS

44ms

TLSA

53ms

SOA

42ms

MTA-STS

99ms

DNSSEC

82ms

SRV

99ms

Total

683ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 14:06:56	467ms	3 NS 0 A 7 MX	🔒 Secure
2026-10-02 03:49:50	858ms	3 NS 0 A 7 MX	🔒 Secure
2026-09-08 11:17:12	751ms	3 NS 0 A 7 MX	🔒 Secure
2026-06-22 15:37:42 shown	683ms	3 NS 0 A 7 MX	🔒 Secure
2026-06-22 15:31:19	1157ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:44:04	1081ms	3 NS 0 A 7 MX	🔒 Secure